﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2019v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2020-10-30T11:39:54-05:00</ReturnTs>
    <TaxPeriodEndDt>2019-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>411360831</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>OLSEN THIELEN &amp; CO LTD</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2675 LONG LAKE ROAD</AddressLine1Txt>
        <CityNm>ST PAUL</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55113</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2019-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237359775</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CHILD NEUROLOGY SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>CHIL</BusinessNameControlTxt>
      <PhoneNum>6514869447</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1000 WEST COUNTY ROAD E NO 290</AddressLine1Txt>
        <CityNm>ST PAUL</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55126</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ROGER B LARSON</PersonNm>
      <PersonTitleTxt>EXECUTIVE DIRECTOR</PersonTitleTxt>
      <PhoneNum>6514869447</PhoneNum>
      <SignatureDt>2020-10-22</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>LINDA M NELSON CPA</PreparerPersonNm>
      <PTIN>P00205567</PTIN>
      <PhoneNum>6514834521</PhoneNum>
    </PreparerPersonGrp>
    <FilingSecurityInformation>
      <IPAddress>
        <IPv4AddressTxt>50.201.188.58</IPv4AddressTxt>
      </IPAddress>
      <IPDt>2020-10-22</IPDt>
      <IPTm>15:42:17</IPTm>
      <IPTimezoneCd>CD</IPTimezoneCd>
      <FilingLicenseTypeCd>P</FilingLicenseTypeCd>
      <AtSubmissionCreationDeviceId>C3BFCB1FF0DF81D98A4107263BFA3D6217CBE84E</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>DE40E4B61215EC9D79336490C1DE0CFB4BF8ABD8</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2019</TaxYr>
    <BuildTS>2021-01-29 14:40:06Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>ROGER B LARSON</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1000 WEST COUNTY ROAD E NO 290</AddressLine1Txt>
        <CityNm>ST PAUL</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55126</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>4040785</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.CHILDNEUROLOGYSOCIETY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1973</FormationYr>
      <LegalDomicileStateCd>MN</LegalDomicileStateCd>
      <ActivityOrMissionDesc>CNS IS A PROFESSIONAL SOCIETY OF PEDIATRIC NEUROLOGISTS DEVOTED TO FOSTERING THE DISCIPLINE OF CHILD NEUROLOGY &amp; PROMOTING THE OPTIMAL CARE AND WELFARE OF CHILDREN WITH NEUROLOGICAL &amp; NEURODEVELOPMENTAL DISORDERS BY ENSURING EXCELLENCE IN PATIENT CARE, EDUCATION &amp; TRAINING, RESEARCH &amp; ADVOCACY.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>7</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>7</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>4</TotalEmployeeCnt>
      <TotalVolunteersCnt>235</TotalVolunteersCnt>
      <TotalGrossUBIAmt>17766</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>3077</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>874540</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>871610</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>2186261</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>2296635</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>201710</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>127562</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>142661</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>181205</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>3405172</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>3477012</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>75569</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>68284</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>474152</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>554412</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>2463746</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>2075883</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>3013467</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>2698579</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>391705</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>778433</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>5382170</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>6643208</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>167471</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>198567</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>5214699</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>6444641</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>PROFESSIONAL SOCIETY OF PEDIATRIC NEUROLOGISTS DEVOTED TO FOSTERING THE DISCIPLINE OF CHILD NEUROLOGY &amp; PROMOTING THE OPTIMAL CARE &amp; WELFARE OF CHILDREN WITH NEUROLOGICAL &amp; NEURODEVELOPMENTAL DISORDERS BY ENSURING EXCELLENCE IN PATIENT CARE, EDUCATION &amp; TRAINING, RESEARCH &amp; ADVOCACY.CNS PHYSICIANS ARE SPECIALLY TRAINED IN CHILD NEUROLOGY/NEURODEVELOPMENTAL DISABILITIES, OR ARE ENROLLED IN A CHILD NEUROLOGY/NEURODEVELOPMENTAL DISABILITIES TRAINING PROGRAM APPROVED BY THE ACCREDITATION COUNCIL FOR GRADUATE MEDICAL EDUCATION (ACGME) OR THE ROYAL COLLEGE OF PHYSICIANS &amp; SURGEONS OF CANADA, OR HAVE MADE CONTRIBUTIONS IN INVESTIGATION, EDUCATION OR HEALTH CARE IN THE FIELD OF CHILD NEUROLOGY/NEURODEVELOPMENTAL DISABILITIES. CHILD NEUROLOGISTS ARE SPECIALLY TRAINED PHYSICIANS WHO HAVE FOLLOWED UP THEIR FOUR-YEAR MEDICAL DEGREE WITH A FIVE-YEAR POST-GRADUATE TRAINING REGIMEN CONSISTING OF TWO YEARS TRAINING IN PEDIATRICS, ONE YEAR IN GENERAL NEUROLOGY &amp; TWO YEARS IN CHILD NEUROLOGY.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>1757455</ExpenseAmt>
      <GrantAmt>68284</GrantAmt>
      <RevenueAmt>1548930</RevenueAmt>
      <Desc>A NATIONAL MEETING OF THE CHILD NEUROLOGY SOCIETY IS HELD EACH YEAR TO A) PROVIDE CONTINUING MEDICAL EDUCATION FOR CNS MEMBERS AND OTHER MEDICAL PROFESSIONALS ACTIVELY WORKING IN THE FIELD OF CHILD NEUROLOGY; B) FACILITATE THE ONGOING WORK OF MORE THAN A DOZEN STANDING COMMITTEES; C) ENCOURAGE CAREER DEVELOPMENT AND COLLABORATIVE RESEARCH AND TRAINING PROJECTS BY PROVIDING NON-CME ACCREDITED WORKSHOPS AND SEMINARS AS WELL AS NUMEROUS SMALL AND LARGE-GROUP SPECIAL INTEREST GROUP PLANNING AND NETWORKING OPPORTUNITIES. THE 48TH ANNUAL MEETING OF THE CHILD NEUROLOGY SOCIETY, HELD OCTOBER 26-29 IN CHARLOTTE SURPASSED THE PREVIOUS YEAR'S RECORD-SHATTERING ATTENDANCE, DRAWING 1450 ATTENDEES. OF NOTE, 35 PER CENT OF THOSE ATTENDING WERE ROUGHLY 35 YEARS-OF-AGE OR YOUNGER, AMPLY TESTIFYING TO THE CONTINUED VITALITY AND FUTURE PROSPECTS OF THE SOCIETY. AMONG THAT YOUNGER COHORT, ONE FINDS A 2:1 RATIO OF WOMEN TO MEN, BRINGING THE OVERALL RATIO ACROSS ALL GENERATIONS TO NEARLY 1:1 FOR THE FIRST TIME. PARTICIPATION IN THE ANNUAL MEETING BY SPONSORS AND EXHIBITORS CONTINUED ITS UPWARD ARC, WITH A RECORD NUMBER OF BOOTHS SOLD (100+) AND A RECORD INFLUX OF OVER $900,000 IN UNRESTRICTED CORPORATE SUPPORT. THE SUPPORT PROVIDED BY OUR CORPORATE PARTNERS SIGNICANTLY SUPPLEMENTS REGISTRATION FEES IN COVERING THE COSTS ASSOCIATED WITH STAGING A GROWING AND IMPROVING MENU OF EDUCATIONAL PROGRAMMING AND NETWORKING OPPORTUNITIES AT THE PREMIER EVENT IN CHILD NEUROLOGISTS' YEARLY CALENDAR. THE 48TH CNS ANNUAL MEETING FEATURED SIX SCIENTIFIC SYMPOSIA, SIX MORNING SEMINARS, FOUR POSTER REVIEW SESSIONS (200 SCIENTIFIC POSTERS) AND ELEVEN SPECIAL INTEREST GROUP MEETINGS. SPECIAL RECOGNITION WAS GIVEN TO SCOTT POMEROY, MD, PHD (BERNARD SACHS AWARD); LOUIS DANG, MD, PHD (PHILLIP R. DODGE YOUNG INVESTIGATOR AWARD); JAMES F. BALE, JR., MD (HOWER AWARD); H. TERRY HUTCHISON, MD, PHD (ARNOLD P. GOLD FOUNDATION HUMANISM IN MEDICINE AWARD); KAREN BALLABAN-GIL, MD (BLUE BIRD CIRCLE TRAINING PROGRAM DIRECTOR AWARD); AND TWO RECIPIENTS OF THE ROGER AND MARY BRUMBACK MEMORIAL LIFETIME ACHIEVEMENT AWARD: CAROL CAMFIELD, MD AND W. EDWIN DODSON, MD. THE NON-LECTURE AWARDS WERE PRESENTED BEFORE A PACKED BALLROOM AT THE 3RD ANNUAL LEGACY RECEPTION.THIS YEAR MARKED THE GROWTH IN SIZE AND EXCELLENCE OF SEVERAL PROGRAMS LAUNCHED IN 2016 AND 2017, INCLUDING:. 1. THE 4TH NIH-FUNDED CHILD NEUROLOGY CAREER DEVELOPMENT PROGRAM-K12 (CNCDP-K12). THE PROGRAM IS FUNDED BY A K12 GRANT FOR FIVE YEARS AND IS DESIGNED TO SUPPORT PROMISING PEDIATRIC NEUROLOGY CLINICIAN-SCIENTISTS FOR THREE YEARS OF MENTORED RESEARCH FOLLOWING COMPLETION OF THEIR CLINICAL TRAINING. OVER 40 RESIDENTS ATTENDED THE 2.5 DAY RETREAT. 2.THE 4TH CNS JOHN "JACK" PELLOCK RESIDENT SEMINAR ON EPILEPSY. SIXTY-FIVE PGY5 RESIDENTS AND TEN FACULTY MEMBERS GATHERED ON TUESDAY EVENING AND ALL-DAY WEDNESDAY FOR A COMPREHENSIVE EPILEPSY SEMINAR. CONSISTENT WITH ITS MISSION TO TRAIN THE NEXT GENERATION OF CHILD NEUROLOGISTS, THE CNS FORMALLY ASSUMED RESPONSIBILITY FOR THIS PROGRAM IN 2016, GUARANTEEING AT LEAST ONE RESIDENT FROM EACH TRAINING PROGRAM BE ALLOWED TO PARTICIPATE WITH FULL SUPPORT FROM THE CNS (HOTEL, REGISTRATION FEE WAIVER FOR EACH ANNUAL MEETING), WITH SPOTS AVAILABLE FOR ADDITIONAL NOMINEES FROM EACH PROGRAM. TWO "PELLOCK FELLOWS" WERE SELECTED IN THIS, THE THIRD YEAR OF A THREE-YEAR PILOT PROGRAM THAT WILL IDENTIFY AND SUPPORT JOINT PARTICIPATION AND LEADERSHIP IN THE CNS, THE AMERICAN EPILEPSY SOCIETY (AES), AND THE CHILD NEUROLOGY FOUNDATION (CNF). THE PROGRAM IS FUNDED BY AN UNRESTRICTED GRANT (MADE TO THE AES) BY UPSHER SMITH.3. 4TH ANNUAL BIOMEDICAL WRITING WORKSHOP. DRS. E. STEVE ROACH, EDITOR OF PEDIATRIC NEUROLOGY ORGANIZED A HIGHLY SUCCESSFUL FOLLOW-UP TO PREVIOUS WRITING WORKSHOPS, ATTENDED THIS YEAR BY 25 EARLY CAREER ACADEMIC NEUROLOGISTS, INCLUDING SEVERAL 2019 RESIDENT AND JUNIOR FACULTY AWARD AND GRANT RECIPIENTS AS WELL AS THE TWO BERNARD D'SOUZA INTERNATIONAL FELLOWSHIP AWARDEES.TWO NEW PROGRAMS WERE ADDED TO THE MIX AT THE 2018 CNS ANNUAL MEETING:1. SPECIAL INTEREST GROUP CME SESSIONS. A FIRST TIME LINE-UP OF THREE SIG-ORGANIZED "MEET THE EXPERT" SESSIONS PLAYED BEFORE STANDING-ROOM-ONLY CROWDS. THE SIGS ORGANIZING AND PRESENTING INCLUDED DEVELOPMENTAL/NEUROGENETICS SIG, HEADACHE SIG, AND SLEEP SIG. 2. THIS YEAR MARKED THE FIRST YEAR OF A HIGHLY POPULAR AND SUCCESSFUL "GUIDED POSTER TOUR" PROGRAM FEATURING THREE MODERATED POSTER DISCUSSION SESSIONS SPOTLIGHTING TOP-RANKED POSTERS PRESENTED BY JUNIOR MEMBER RESIDENTS, AND A "BEST OF SHOW" SESSION SHOWCASING WORK BY FOUR OF THE TOP-RANKED POSTER PRESENTATIONS FROM AMONG THE 200 ON DISPLAY IN CHICAGO.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>737852</ExpenseAmt>
        <GrantAmt>0</GrantAmt>
        <RevenueAmt>911144</RevenueAmt>
        <Desc>THE CNS MAINTAINED ITS WEBSITE WITH REGULARLY UPDATED FEATURES AND SERVICES TO MEET THE REGULAR AND EVOLVING ACADEMIC, RESEARCH, AND PRACTICE-BASED NEEDS OF ITS MEMBERS. IN ADDITION TO THE CONTINUING MEDICAL EDUCATION COURSES OFFERED AT THE ANNUAL MEETING, THE CNS CONTINUES TO OFFER MAINTENANCE OF CERTIFICATION RESOURCES ON ITS WEBSITE IN SUPPORT OF MEMBERS' PREPARATION FOR CERTIFICATION AND RECERTIFICATION THROUGH THE AMERICAN BOARD OF PSYCHIATRY AND NEUROLOGY. MORE THAN 60 CASES OF VARYING DIFFICULTY LEVELS ARE NOW AVAILABLE IN THE LIBRARY OF CASE STUDIES POSTED ON THE CNS WEBSITE FOR TRAINING PROGRAMS TO USE AS A TEACHING TOOL. BOTH THE CASE STUDIES AND THE MOC SELF-ASSESSMENT-EXAMS MIGRATED TO A NEWLY CREATED LIFELONG LEARNING WEBSITE IN 2017. THE NEW LEARNING WEBSITE CONTINUED TO ADD NEW CME COURSES IN 2019, GREATLY EXPANDING THE SCOPE AND ACCESSIBILITY OF CME PROGRAMMING FOR MEMBERS AT DISCOUNTED RATES, AND NON-CNS MEMBERS AT HIGHER PURCHASE RATES. THE NEW COMMUNITY WEBSITE, CNS CONNECT, CONTINUES TO SEE GROWING INTEREST AND PARTICIPATION IN COMMITTEE AND SPECIAL INTEREST GROUP WORKSPACES, ENHANCING COMMUNICATIONS BETWEEN MEMBERS AND COLLABORATIVE RESEARCH AND EDUCATIONAL EFFECTIVENESS WITHIN THE CHILD NEUROLOGY COMMUNITY. THE CHILD NEUROLOGY LISTSERVE, SUPPORTED BY THE CNS BUT INDEPENDENTLY ADMINISTERED AND MADE AVAILABLE TO CHILD NEUROLOGISTS WORLDWIDE, MEMBER AND NON-MEMBER, CONTINUED TO BE HEAVILY USED AS A HANDY COMMUNICATION TOOL FOR DISCUSSING DIFFICULT CASES, MAKING REFERRALS, AND PROVIDING AN OPEN FORUM FOR UNEDITED EXCHANGE OF VIEWPOINTS.THE CNS PUBLISHED THREE ISSUES OF ITS MEMBER NEWS MAGAZINE, CNS CONNECTIONS, DURING THE YEAR. AS ITS NAME SUGGESTS, THE 60+ PAGE PUBLICATION FOCUSES ON IDENTIFYING AND STRENGTHENING A VARIETY OF CONNECTIONS BETWEEN COLLEAGUES WITH FEATURE ARTICLES ON RESEARCH PROJECTS (EMPHASIS ON YOUNG RESEARCHERS) AND A Q&amp;A FEATURE INTERVIEW WITH THOUGHT LEADERS IN THE FIELD. THE CNS CONTINUED TO PARTNER WITH THE AMERICAN NEUROLOGICAL ASSOCIATION IN PUBLISHING THE PRESTIGIOUS MONTHLY JOURNAL, ANNALS OF NEUROLOGY. WEEKLY COMMUNICATIONS WERE EMAILED TO THE FULL MEMBERSHIP AND/OR SIGNIFICANT SUB-SECTIONS OF MEMBERS VIA ECONNECTIONS.THE CNS IS CURRENTLY DIGITIZING ITS ARCHIVES AND HAS LAUNCHED A WIDE-RANGING HISTORY/TRAINING PROGRAM VIDEOTAPING PROJECT CAPTURING ORAL HISTORIES FOR POSTING ON ITS WEBSITE AND INCLUSION IN A 50TH ANNIVERSARY COMMEMORATION DISPLAY AS PART OF THE CHILD NEUROLOGY: PAST, PRESENT &amp; FUTURE PROJECT, AND STEPHEN ASHWAL, MD HAS BEGUN EDITING OLD PROFILES AND SOLICITING NEW PROFILES FOR A REVISED/UPDATED FOUNDERS OF CHILD NEUROLOGY BOOK TO BE PUBLISHED IN CONJUNCTION WITH THE 50TH ANNUAL MEETING IN BOSTON IN 2021. REFLEX HAMMERS ENGRAVED WITH THE CNS LOGO WERE SENT ONCE AGAIN TO CHILD NEUROLOGY RESIDENTS ENTERING THEIR FIRST YEAR OF NEUROLOGY TRAINING (PGY3). THE "BRAINCHILD" OF PAST CNS PRESIDENT, DR. KENNETH MACK, THIS PROGRAM WILL PROVIDE CHILD NEUROLOGISTS WITH A DAILY REMINDER OF THE PRESENCE AND IMPORTANCE IN THEIR PROFESSIONAL LIVES OF THE PREMIER ASSOCIATION OF CHILD NEUROLOGISTS FOUNDED IN 1972 BY CHILD NEUROLOGISTS ON THEIR BEHALF AND ON BEHALF OF THEIR PATIENTS.THE CNS IS ACTIVELY INVOLVED IN NUMEROUS LONG-TERM AND SHORT-TERM PROGRAMS WITH AFFILIATED PROFESSIONAL ORGANIZATIONS, INCLUDING AMERICAN ACADEMY OF NEUROLOGY (AAN), AMERICAN NEUROLOGICAL ASSOCIATION (ANA), AMERICAN ASSOCIATION OF PEDIATRICS (AAP), ASSOCIATION OF UNIVERSITY PROFESSORS OF NEUROLOGY (AUPN), AMERICAN EPILEPSY SOCIETY (AES), PEDIATRIC ACADEMIC SOCIETY (PAS), AMERICAN BRAIN COALITION (ABC), COUNCIL OF PEDIATRIC SUBSPECIALTIES (COPS) AND UNITED COUNCIL OF NEUROLOGICAL SPECIALTIES (UCNS). HIGHLIGHTING INTER-ORGANIZATIONAL ACTIVITY IN 2019 WAS THE EXPANSION IN THE CHILD NEUROLOGY WORK GROUP IN TANDEM WITH THE AMERICAN ACADEMY OF NEUROLOGY, ENCOURAGING COLLABORATION BETWEEN STAFF, OFFICERS AND MEMBERS OF THE TWO ORGANIZATIONS. THE CNS CONTINUES TO BE ACTIVE WITH OTHER PEDIATRIC SUBSPECIALTY ORGANIZATIONS IN CRAFTING AND PROMOTING LEGISLATIVE AND POLICY INITIATIVES ADDRESSING A LOAN FORGIVENESS PROGRAM THAT WILL HELP RECRUIT A SUFFICIENTLY LARGE AND ADEQUATELY TRAINED GENERATIONAL COHORT OF CHILD NEUROLOGISTS TO SERVE THE GROWING AND CHANGING NEEDS OF CHILDREN THROUGHOUT THE UNITED STATES. JUNIOR MEMBERSHIP IN THE CNS HAS NOW SURPASSED 400, WITH A FULL-ENTERING COHORT OF 130+ GRADUATING MEDICAL STUDENTS MATCHING IN CHILD NEUROLOGY EACH YEAR. RESIDENTS AND MEDICAL STUDENTS NOW BENEFIT FROM FREE MEMBERSHIP IN THE CNS, WITH FREE OR SUBSTANTIALLY DISCOUNTED REGISTRATION FEES MAKING ROBUST ATTENDANCE AMONG THE NEXT GENERATION OF CHILD NEUROLOGISTS A NOTABLE FEATURE OF RECENT CNS ANNUAL MEETINGS. AS EVERY "SENIOR" MEMBER OF THE CNS CAN AND WILL TELL YOU, WE ARE LIVING THROUGH A GENETICS-BASED REVOLUTION IN CHILD NEUROLOGY; THIS TRULY IS A GREAT TIME TO BE ENTERING THE FIELD.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>2495307</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039700001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>1</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>10</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>4</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>7</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>7</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>0</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MN</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>ROGER LARSON</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6514869447</PhoneNum>
        <USAddress>
          <AddressLine1Txt>1000 WEST COUNTY ROAD E</AddressLine1Txt>
          <CityNm>ST PAUL</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55126</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>JONATHAN MINK MD PHD</PersonNm>
        <TitleTxt>PRESIDENT (JAN-OCT) PAST PRESIDENT (BEG' OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRUCE H COHEN MD</PersonNm>
        <TitleTxt>SECRETARY-TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PHILLIP PEARL MD</PersonNm>
        <TitleTxt>PRESIDENT-ELECT (JAN-OCT) PRESIDENT (BEG' OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DONALD L GILBERT MD MS</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE MIDWEST (JAN-OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NANCY E BASS MD</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE MIDWEST (BEG' OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARK WAINWRIGHT MD PHD</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE WEST</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL I SHEVELL MD CM</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE NORTHEAST (JAN-OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NIGEL S BAMFORD MD</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE NORTHEAST (BEG' OCT)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LORI JORDAN MD PHD</PersonNm>
        <TitleTxt>COUNCILLOR FOR THE SOUTH</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROGER B LARSON</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>174191</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43576</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUE HUSSMAN CMP</PersonNm>
        <TitleTxt>ASSOCIATE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>101974</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>35038</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>276165</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>78614</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>2</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>871610</AllOtherContributionsAmt>
      <TotalContributionsAmt>871610</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCE REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>787805</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>787805</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EXHIBIT REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>761125</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>761125</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>DUES &amp; INITIATION FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>484815</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>484815</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNALS EDITORIAL</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>247534</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>247534</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNALS ADVERTISING</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>15356</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>15356</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>2296635</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>134741</TotalRevenueColumnAmt>
        <ExclusionAmt>134741</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>556594</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>563773</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>-7179</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-7179</TotalRevenueColumnAmt>
        <ExclusionAmt>-7179</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>REGISTRY INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>96515</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>96515</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>SELF-ASSESS EXAM/CME C</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>28920</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>28920</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>MAILING LISTS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>24100</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>21690</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>2410</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <MiscellaneousRevenueGrp>
        <TotalRevenueColumnAmt>31670</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>31670</RelatedOrExemptFuncIncomeAmt>
      </MiscellaneousRevenueGrp>
      <OtherRevenueTotalAmt>181205</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3477012</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2460074</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>17766</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>127562</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>30000</TotalAmt>
        <ProgramServicesAmt>30000</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>38284</TotalAmt>
        <ProgramServicesAmt>38284</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>354778</TotalAmt>
        <ProgramServicesAmt>330928</ProgramServicesAmt>
        <ManagementAndGeneralAmt>23850</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>126982</TotalAmt>
        <ProgramServicesAmt>118445</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8537</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>13506</TotalAmt>
        <ProgramServicesAmt>12598</ProgramServicesAmt>
        <ManagementAndGeneralAmt>908</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>30647</TotalAmt>
        <ProgramServicesAmt>28587</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2060</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>28499</TotalAmt>
        <ProgramServicesAmt>26578</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1921</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>299</TotalAmt>
        <ManagementAndGeneralAmt>299</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47900</TotalAmt>
        <ManagementAndGeneralAmt>47900</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>36612</TotalAmt>
        <ProgramServicesAmt>1254</ProgramServicesAmt>
        <ManagementAndGeneralAmt>35358</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>68949</TotalAmt>
        <ProgramServicesAmt>68949</ProgramServicesAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>112790</TotalAmt>
        <ProgramServicesAmt>93330</ProgramServicesAmt>
        <ManagementAndGeneralAmt>19460</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>73473</TotalAmt>
        <ProgramServicesAmt>72216</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1257</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>28511</TotalAmt>
        <ProgramServicesAmt>26594</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1917</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>1838</TotalAmt>
        <ProgramServicesAmt>1838</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>1336357</TotalAmt>
        <ProgramServicesAmt>1318322</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18035</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>15850</TotalAmt>
        <ManagementAndGeneralAmt>15850</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>6138</TotalAmt>
        <ProgramServicesAmt>2942</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3196</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>UNRELATED BUSINESS INCO</Desc>
        <TotalAmt>566</TotalAmt>
        <ManagementAndGeneralAmt>566</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ANNALS OF NEUROLOGY</Desc>
        <TotalAmt>217200</TotalAmt>
        <ProgramServicesAmt>217200</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MULTI-ORGANIZATIONAL RE</Desc>
        <TotalAmt>33203</TotalAmt>
        <ProgramServicesAmt>33203</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>NEWSLETTER</Desc>
        <TotalAmt>26980</TotalAmt>
        <ProgramServicesAmt>26980</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>69217</TotalAmt>
        <ProgramServicesAmt>47059</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22158</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>2698579</TotalAmt>
        <ProgramServicesAmt>2495307</ProgramServicesAmt>
        <ManagementAndGeneralAmt>203272</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1547553</BOYAmt>
        <EOYAmt>1232107</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1158303</BOYAmt>
        <EOYAmt>2340037</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>164337</BOYAmt>
        <EOYAmt>134680</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>83805</BOYAmt>
        <EOYAmt>130466</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>102763</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>98444</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>16405</BOYAmt>
        <EOYAmt>4319</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>2411767</BOYAmt>
        <EOYAmt>2801599</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>5382170</BOYAmt>
        <EOYAmt>6643208</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>51211</BOYAmt>
        <EOYAmt>70467</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>116260</BOYAmt>
        <EOYAmt>128100</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>167471</BOYAmt>
        <EOYAmt>198567</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>3745068</BOYAmt>
        <EOYAmt>4714148</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>1469631</BOYAmt>
        <EOYAmt>1730493</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>5214699</BOYAmt>
        <EOYAmt>6444641</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>5382170</BOYAmt>
        <EOYAmt>6643208</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>778433</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>451509</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>0</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>465341</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>358770</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>529845</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>874540</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>871610</CurrentTaxYearAmt>
        <TotalAmt>3100106</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>1644939</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1777875</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1737172</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2152582</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2281279</CurrentTaxYearAmt>
        <TotalAmt>9593847</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>2110280</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2136645</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2267017</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3027122</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3152889</CurrentTaxYearAmt>
        <TotalAmt>12693953</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <CurrentTaxYearMinus4YearsAmt>150000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>185000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>195000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>232000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>128000</CurrentTaxYearAmt>
        <TotalAmt>890000</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus3YearsAmt>11458</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>27600</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>20494</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>271433</CurrentTaxYearAmt>
        <TotalAmt>330985</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>150000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>196458</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>222600</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>252494</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>399433</CurrentTaxYearAmt>
        <TotalAmt>1220985</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>11472968</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>112990</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>81081</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>118186</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>172717</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>134741</CurrentTaxYearAmt>
        <TotalAmt>619715</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>17345</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>19382</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>13242</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4787</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2431</CurrentTaxYearAmt>
        <TotalAmt>57187</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>130335</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>100463</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>131428</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>177504</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>137172</CurrentTaxYearAmt>
        <TotalAmt>676902</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>150040</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>190014</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>175768</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>140611</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>178795</CurrentTaxYearAmt>
        <TotalAmt>835228</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>2390655</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2427122</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2574213</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3345237</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3468856</CurrentTaxYearAmt>
        <TotalAmt>14206083</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.80760</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.80280</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.04760</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.05210</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART III, LINE 12, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS INCOME - 2015 AMOUNT: $ 150,040. 2016 AMOUNT: $ 190,014. 2017 AMOUNT: $ 175,768. 2018 AMOUNT: $ 140,611. 2019 AMOUNT: $ 178,795.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <VolunteersInd>0</VolunteersInd>
      <PaidStaffOrManagementInd>0</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>0</MediaAdvertisementsInd>
      <MailingsMembersInd>0</MailingsMembersInd>
      <PublicationsOrBroadcastInd>0</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>0</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>1</DirectContactLegislatorsInd>
      <DirectContactLegislatorsAmt>36612</DirectContactLegislatorsAmt>
      <RalliesDemonstrationsInd>0</RalliesDemonstrationsInd>
      <OtherActivitiesInd>0</OtherActivitiesInd>
      <TotalLobbyingExpendituresAmt>36612</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>0</NotDescribedSection501c3Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II-B, LINE 1 (G)</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS A GOVERNMENT RELATIONS REPRESENTATIVE WHICH REPRESENTS CNS IN WASHINGTON ON ISSUES IMPORTANT TO CNS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>1560231</BeginningYearBalanceAmt>
        <ContributionsAmt>42710</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>257001</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>38249</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>1821693</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1664238</BeginningYearBalanceAmt>
        <ContributionsAmt>119640</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-157584</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>66063</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>1560231</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1455538</BeginningYearBalanceAmt>
        <ContributionsAmt>32345</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>219357</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>43002</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>1664238</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1403343</BeginningYearBalanceAmt>
        <ContributionsAmt>34020</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>72863</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>54688</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>1455538</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1384920</BeginningYearBalanceAmt>
        <ContributionsAmt>47091</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-13733</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>14935</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>1403343</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.04940</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.70980</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.24080</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>102763</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>98444</DepreciationAmt>
        <BookValueAmt>4319</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>4319</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3928521</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>451509</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>451509</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3477012</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3477012</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2698579</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2698579</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2698579</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHILD NEUROLOGY EDUCATION ENDOWMENT WAS ESTABLISHED FOR THE PURPOSE OF PROVIDING TRAVEL AWARDS AND OTHER EDUCATIONAL AWARDS AT THE ORGANIZATION'S ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ASC 740 DISCLOSURE FROM AUDITED FINANCIAL STATEMENTS: THE SOCIETY IS CLASSIFIED AS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND IS SUBJECT TO FEDERAL AND STATE INCOME TAX ONLY ON NET UNRELATED BUSINESS INCOME. THE SOCIETY GENERATES UNRELATED BUSINESS INCOME FROM ITS PUBLICATIONS AND OTHER SERVICES. CASH PAYMENTS FOR INCOME TAXES WERE $2,700 AND $3,000 IN 2019 AND 2018. THE SOCIETY REVIEWS INCOME TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN INCOME TAX RETURNS TO DETERMINE IF THERE ARE ANY INCOME TAX UNCERTAINTIES. THIS INCLUDES POSITIONS THAT THE ENTITY IS EXEMPT FROM INCOME TAXES OR NOT SUBJECT TO INCOME TAXES ON UNRELATED BUSINESS INCOME. THE SOCIETY RECOGNIZES TAX BENEFITS FROM UNCERTAIN TAX POSITIONS ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITIONS WILL BE SUSTAINED ON EXAMINATION BY TAXING AUTHORITIES, BASED ON THE TECHNICAL MERITS OF THE POSITIONS. THE SOCIETY HAS IDENTIFIED NO SIGNIFICANT INCOME TAX UNCERTAINTIES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF MICHIGAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3003 SOUTH STATE STREET</AddressLine1Txt>
          <CityNm>ANN ARBOR</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48109</ZIPCd>
        </USAddress>
        <RecipientEIN>306006309</RecipientEIN>
        <IRCSectionDesc>501(C)3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <PurposeOfGrantTxt>DODGE YOUNG INVSTIGATOR AWARD</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>ARNOLD P GOLD FOUNDATION HUMANISM IN MEDICINE AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <NonCashAssistanceAmt>874</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION TO ANNUAL MEETING, ANNUAL MEETING REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>BERNARD D'SOUZA AWARD</GrantTypeTxt>
        <RecipientCnt>2</RecipientCnt>
        <NonCashAssistanceAmt>8380</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>BERNARD SACHS AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <NonCashAssistanceAmt>2592</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>BLUE BIRD CIRCLE AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <NonCashAssistanceAmt>741</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>REGISTRATION FEE WAIVER AND PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>HOWER AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <NonCashAssistanceAmt>2338</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>LIFETIME ACHIEVEMENT AWARD</GrantTypeTxt>
        <RecipientCnt>2</RecipientCnt>
        <NonCashAssistanceAmt>2086</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>KOENIGSBERGER AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>300</CashGrantAmt>
        <NonCashAssistanceAmt>492</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>ANNUAL MEETING REGISTRATION FEE WAIVED, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NEUROSCIENCE RESEARCH PRIZE</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <NonCashAssistanceAmt>2311</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>OUTSTANDING JUNIOR MEMBER</GrantTypeTxt>
        <RecipientCnt>5</RecipientCnt>
        <NonCashAssistanceAmt>10061</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>PHILIP R. DODGE YOUNG INVESTIGATOR AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <NonCashAssistanceAmt>2117</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>TRANSPORTATION AND LODGING FOR ANNUAL MEETING, REGISTRATION FEE WAIVER, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>AAP AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>500</CashGrantAmt>
        <NonCashAssistanceAmt>492</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>ANNUAL MEETING REGISTRATION FEE WAIVED, PLAQUE AT THE ANNUAL MEETING</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CNS MAKES GRANTS EACH YEAR FROM THE TEMP RESTRICTED EARNINGS OF THE ENDOWMENT AND FROM OTHER SOURCES. THE PROCESS OF AWARDING THESE GRANTS INCLUDES AN APPLICATION, REVIEW, AND DECISION BY THE AWARD COMMITTEE. ALL AWARD NOMINEES MUST MEET ELIGIBILITY CRITERIA SPECIFIC TO EACH GRANT. AWARD WINNERS ARE SELECTED FROM NOMINATIONS SUBMITTED IN COMPLIANCE WITH PUBLISHED PROCEDURES. ALL CONFERENCE TRAVEL AWARDS ARE DOCUMENTED WITH RECEIPTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROGER B LARSON</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>174191</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>24387</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19189</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>217767</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CNS HAS SIX CLASSES OF MEMBERS; ACTIVE (ANNUAL DUES $350), JUNIOR ($0), HONORARY ($0), EMERITUS ($0), AFFILIATE ($350) AND MEDICAL STUDENT ($0). MEMBERSHIP FEATURES FOR ACTIVE MEMBERSHIP ARE; SUBSCRIPTION TO THE ANNALS OF NEUROLOGY, QUARTERLY NEWSLETTERS &amp; ANNOUNCEMENTS, CNS MEMBER E-MAIL UPDATES, DISCOUNTED CNS ANNUAL MEETING REGISTRATION FEE, PEER RECOGNITION &amp; NETWORKING OPPORTUNITIES, INCLUDING PARTICIPATION IN CNS SPECIAL INTEREST GROUP(S) AND COMMITTEES, ACCESS TO THE ON-LINE MEMBER DIRECTORY, RIGHT TO VOTE, RIGHT TO HOLD OFFICE AS AN OFFICER OR MEMBER OF THE BOARD OF DIRECTORS, ADVOCACY ON A BROAD SPECTRUM OF PRACTICE-,RESEARCH-AND PATIENT/DISEASE-RELATED ISSUES IN PARTNERSHIP WITH OTHER PROFESSIONAL ORGANIZATIONS. FEATURES FOR THE CATEGORIES (I.E. JUNIOR, AFFILIATE, EMERITUS) ARE RELATIVELY THE SAME WITH THE EXCEPTION OF A SUBSCRIPTION TO THE ANNALS OF NEUROLOGY, RIGHT TO VOTE AND THE RIGHT TO HOLD OFFICE AS AN OFFICER OR MEMBER OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTION OF DIRECTORS AND OFFICERS IS BY MAJORITY VOTE OF THE ACTIVE MEMBERS CASTING MAIL OR ONLINE BALLOTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>BYLAW AMENDMENTS, ETC. ARE SUBJECT TO VOTE BY THE MEMBERS ENTITLED TO VOTE AT ANY REGULAR OR SPECIAL MEETING OF THE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 WILL BE REVIEWED BY THE SOCIETY'S EXECUTIVE DIRECTOR. COPIES OF THE COMPLETED RETURN WILL BE SENT TO THE PRESIDENT AND THE SECRETARY/TREASURER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY REQUIRES MEMBERS OF THE EXECUTIVE COMMITTEE AND ALL OTHER CNS MEMBERS REPRESENTING THE SOCIETY TO OUTSIDE PARTIES IN AN OFFICIAL CAPACITY TO DISCLOSE IN WRITING THE EXISTENCE OF ANY FINANCIAL INTEREST OR OTHER RELATIONSHIP HE/SHE AND HIS/HER SPOUSE OR PARTNER HAS HAD WITH A COMPANY OR ASSOCIATION WHOSE PRODUCTS OR SERVICES MAY DIRECTLY OR INDIRECTLY AFFECT OR BE AFFECTED BY CNS ACTIONS AND/OR INSTITUTIONAL AFFILIATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROPOSED SALARY INCREASES ARE PRESENTED BY THE EXECUTIVE DIRECTOR TO THE EXECUTIVE COMMITTEE ON A YEARLY BASIS FOR THEIR APPROVAL OR DISAPPROVAL. DETERMINATION OF PROPOSED SALARY INCREASES INCLUDES REVIEW OF ASAE AND OTHER SALARY SURVEYS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENT ARE AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST TO THE ORGANIZATION'S OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>