﻿<?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="2018v3.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2019-11-15T14:32:23-06:00</ReturnTs>
    <TaxPeriodEndDt>2018-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>042917204</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ANSTISS &amp; CO PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1115 WESTFORD STREET</AddressLine1Txt>
        <CityNm>LOWELL</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>01851</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2018-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>550870225</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>HEART VALVE SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>HEAR</BusinessNameControlTxt>
      <PhoneNum>9789278330</PhoneNum>
      <USAddress>
        <AddressLine1Txt>500 CUMMINGS CENTER NO 4400</AddressLine1Txt>
        <CityNm>BEVERLY</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>01915</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>VINOD THOURANI MD</PersonNm>
      <PersonTitleTxt>SECRETARY/TREASURER</PersonTitleTxt>
      <PhoneNum>9789278330</PhoneNum>
      <SignatureDt>2019-10-31</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>BRENDAN E TOOLIN III</PreparerPersonNm>
      <PTIN>P01323447</PTIN>
      <PhoneNum>9784522500</PhoneNum>
      <PreparationDt>2019-10-25</PreparationDt>
    </PreparerPersonGrp>
    <FilingSecurityInformation>
      <IPAddress>
        <IPv4AddressTxt>50.198.108.100</IPv4AddressTxt>
      </IPAddress>
      <IPDt>2019-10-31</IPDt>
      <IPTm>09:51:36</IPTm>
      <IPTimezoneCd>ED</IPTimezoneCd>
      <FilingLicenseTypeCd>P</FilingLicenseTypeCd>
      <AtSubmissionCreationDeviceId>828B4C756112436BA83637C705CCBCE80F614336</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>828B4C756112436BA83637C705CCBCE80F614336</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2018</TaxYr>
    <BuildTS>2020-03-31 21:24:44Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="7">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>RAKESH SURI MD</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>500 CUMMINGS CENTER NO 4400</AddressLine1Txt>
        <CityNm>BEVERLY</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>01915</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>746517</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>HEARTVALVESOCIETY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2004</FormationYr>
      <LegalDomicileStateCd>DE</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO ADVANCE DEVELOPMENT, RECOGNITION, AND KNOWLEDGE IN THE AREA OF HEART VALVE DISEASES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>14</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>14</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>38</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>153439</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>444014</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>313744</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>302503</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>0</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>0</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>467183</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>746517</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>14069</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>13488</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>566517</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>803297</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>566517</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>817366</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-99334</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-70849</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>324213</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>247427</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>17500</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>11563</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>306713</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>235864</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO ADVANCE DEVELOPMENT, RECOGNITION, AND KNOWLEDGE IN THE AREA OF HEART VALVE DISEASES.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>622285</ExpenseAmt>
      <GrantAmt>14069</GrantAmt>
      <RevenueAmt>258040</RevenueAmt>
      <Desc>ANNUAL SCIENTIFIC CONFERENCE - THE SOCIETY PROVIDES A FORUM TO ADVANCE DEVELOPMENT, RECOGNITION, AND KNOWLEDGE IN THE AREA OF HEART VALVE DISEASES.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>66894</ExpenseAmt>
        <Desc>AVIATOR PROJECT - DEVELOPMENT OF A HEART VALVE SURGICAL REGISTRY FOR THE SCIENTIFIC EVALUATION OF HEART VALVE SURGICAL OUTCOMES.COMMITTEES - THE SOCIETY ASSEMBLES COMMITTEES TO HELP ORGANIZE AND OPERATE VARIOUS FUNCTIONS OF THE SOCIETY.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>31352</ExpenseAmt>
        <Desc>COMMITTEES - THE SOCIETY ASSEMBLES COMMITTEES TO HELP ORGANIZE AND OPERATE VARIOUS FUNCTIONS OF THE SOCIETY.</Desc>
      </ProgSrvcAccomActy3Grp>
      <TotalProgramServiceExpensesAmt>720531</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc1040000001">0</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">0</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 referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>0</BusinessRlnWithOfficerEntInd>
      <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>1</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>14</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>14</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</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>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>PRRI</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>9789278330</PhoneNum>
        <USAddress>
          <AddressLine1Txt>500 CUMMINGS CENTER SUITE 4400</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>HANNEKE TAKKENBERG MD P HD</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RAKESH SURI MD</PersonNm>
        <TitleTxt>PRESIDENT-ELECT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARTIN B LEON M D</PersonNm>
        <TitleTxt>PAST-PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GILLES DREYFUS MD</PersonNm>
        <TitleTxt>PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VINOD THOURANI M D</PersonNm>
        <TitleTxt>SECRETARY/TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARLOS E RUIZ MD</PersonNm>
        <TitleTxt>DIRECTOR - CARDIOLOGIST</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>EMMANUEL LANSAC MD</PersonNm>
        <TitleTxt>DIRECTOR - SURGEON</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARTA SITGES MD</PersonNm>
        <TitleTxt>DIRECTOR - CARDIOLOGIST</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JANE GRANDE-ALLEN MD</PersonNm>
        <TitleTxt>DIRECTOR - RESEARCHER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JORDAN MILLER MD</PersonNm>
        <TitleTxt>DIRECTOR - RESEARCHER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY BORER MD</PersonNm>
        <TitleTxt>DIRECTOR - SENIOR ADVISOR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEAN-LOUIS VANOVERSCHELDE MD</PersonNm>
        <TitleTxt>DIRECTOR - CARDIOLOGIST</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARLIJN VC BOUTEN MD</PersonNm>
        <TitleTxt>DIRECTOR - RESEARCHER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOSE POMAR MD</PersonNm>
        <TitleTxt>DIRECTOR - SENIOR ADVISOR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PRRI</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>500 CUMMINGS CTR SUITE 4400</AddressLine1Txt>
            <CityNm>BEVERLY</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>01915</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MANAGEMENT SERVICES</ServicesDesc>
        <CompensationAmt>127822</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>444014</AllOtherContributionsAmt>
      <TotalContributionsAmt>444014</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL SCIENTIFIC CONF</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>258040</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>258040</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>44463</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>44463</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>302503</TotalProgramServiceRevenueAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>746517</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>302503</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>14069</TotalAmt>
        <ProgramServicesAmt>14069</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>114334</TotalAmt>
        <ProgramServicesAmt>50334</ProgramServicesAmt>
        <ManagementAndGeneralAmt>64000</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>3900</TotalAmt>
        <ManagementAndGeneralAmt>3900</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>14727</TotalAmt>
        <ManagementAndGeneralAmt>14727</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>557882</TotalAmt>
        <ProgramServicesAmt>557882</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>720</TotalAmt>
        <ManagementAndGeneralAmt>720</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>AVIATOR PROJECT</Desc>
        <TotalAmt>66894</TotalAmt>
        <ProgramServicesAmt>66894</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>OFFICERS AND COMMITTEES</Desc>
        <TotalAmt>31352</TotalAmt>
        <ProgramServicesAmt>31352</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DEVELOPMENT</Desc>
        <TotalAmt>13488</TotalAmt>
        <FundraisingAmt>13488</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>817366</TotalAmt>
        <ProgramServicesAmt>720531</ProgramServicesAmt>
        <ManagementAndGeneralAmt>83347</ManagementAndGeneralAmt>
        <FundraisingAmt>13488</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>223493</BOYAmt>
        <EOYAmt>201721</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <EOYAmt>24773</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>100720</BOYAmt>
        <EOYAmt>20933</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <TotalAssetsGrp>
        <BOYAmt>324213</BOYAmt>
        <EOYAmt>247427</EOYAmt>
      </TotalAssetsGrp>
      <DeferredRevenueGrp>
        <BOYAmt>17500</BOYAmt>
        <EOYAmt>11563</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>17500</BOYAmt>
        <EOYAmt>11563</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>188047</BOYAmt>
        <EOYAmt>74827</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>118666</BOYAmt>
        <EOYAmt>161037</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>306713</BOYAmt>
        <EOYAmt>235864</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>324213</BOYAmt>
        <EOYAmt>247427</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-70849</ReconcilationRevenueExpnssAmt>
      <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>250000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>345957</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>378460</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>153439</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>444014</CurrentTaxYearAmt>
        <TotalAmt>1571870</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>251388</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>294810</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>376616</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>313744</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>302503</CurrentTaxYearAmt>
        <TotalAmt>1539061</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>501388</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>640767</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>755076</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>467183</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>746517</CurrentTaxYearAmt>
        <TotalAmt>3110931</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus3YearsAmt>6218</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus1YearAmt>11172</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>17390</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus3YearsAmt>6218</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus1YearAmt>11172</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>17390</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>3093541</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>272</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>279</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>272</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>279</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>501660</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>640774</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>755076</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>467183</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>746517</CurrentTaxYearAmt>
        <TotalAmt>3111210</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99430</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99280</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00010</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00030</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </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>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>746517</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>746517</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>746517</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>817366</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>817366</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>817366</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ASC 740-10, "INCOME TAXES," REQUIRES THE SOCIETY TO EVALUATE AND DISCLOSE TAX POSITIONS THAT COULD HAVE AN EFFECT ON THE SOCIETY'S FINANCIAL STATEMENTS. THE SOCIETY REPORTS ITS ACTIVITIES TO THE INTERNAL REVENUE SERVICE, COMMONWEALTH OF MASSACHUSETTS, AND NEW YORK STATE ON AN ANNUAL BASIS. THESE INFORMATIONAL RETURNS ARE GENERALLY SUBJECT TO AUDIT AND REVIEW BY THE GOVERNMENTAL AGENCIES FOR A PERIOD OF THREE YEARS AFTER FILING. SUBSTANTIALLY ALL OF THE SOCIETY'S INCOME, EXPENDITURES AND ACTIVITIES RELATE TO ITS EXEMPT PURPOSE, THEREFORE, MANAGEMENT HAS DETERMINED THAT THE SOCIETY IS NOT SUBJECT TO UNRELATED BUSINESS INCOME TAXES AND WILL CONTINUE TO QUALIFY AS A TAX-EXEMPT NOT-FOR-PROFIT ENTITY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL MEETING - TO PROVIDE A FORUM FOR DEVELOPMENT OF THE MEDICAL SPECIALTY OF HEART VALVE SURGERY.</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>105365</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>105365</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>105365</TotalSpentAmt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>MEETING AWARDS - ABSTRACT PRESENTERS AND TRAINEE TRAVEL AWARDS</GrantTypeTxt>
        <RecipientCnt>8</RecipientCnt>
        <CashGrantAmt>14069</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BORER TRAVEL AWARD IS ONLY ELIGIBLE TO A RESIDENT, TRAINEE, OR FELLOW ATTENDING THE HVS ANNUAL MEETING. EACH AWARD IS FOR $750 AND IN ORDER TO BE CONSIDERED, AN APPLICANT HAS TO WRITE A 500 WORD STATEMENT OF WHY HE OR SHE BELIEVES THAT IT IS IMPORTANT FOR YOUNG SURGEONS, CARDIOLOGISTS AND RESEARCHERS TO PARTICIPATE IN A MULTIDISCIPLINARY MEETING FOCUSED ON THE TREATMENT OF HEART VALVE DISEASE, AND WHY IT IS IMPORTANT TO BE PART OF A SOCIETY LIKE HVS. THE APPLICANT WILL ALSO NEED TO SUBMIT A LETTER FROM A HOSPITAL CONFIRMING HIS OR HER STATUS AS A RESIDENT OR FELLOW. THE APPLICATION SHOULD BE SUBMITTED TO HVS NO LATER THAN ONE WEEK PRIOR TO THE ANNUAL MEETING. THE SELECTED WINNERS WILL RECEIVE THEIR AWARD AT THE HVS ANNUAL MEETING. MEETING AWARDS ARE COMPETITION BASED AND ARE AWARDED TO RECOGNIZE EXCELLENCE IN PREPARATION OF MANUSCRIPTS AND PRESENTATIONS IN THE AREA OF HEART VALVE SURGERY. EACH MEETING AWARD IS IN THE AMOUNT OF $1,000.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROFESSIONAL RELATIONS AND RESEARCH INSTITUTE (PRRI) OF BEVERLY, MASSACHUSETTS, MAINTAINS THE BOOKS AND RECORDS OF THE ASSOCIATION AND PERFORMS OTHER RELATED MANAGERIAL AND ADMINISTRATIVE FUNCTIONS FOR WHICH IT IS COMPENSATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS THREE CLASSES OF MEMBERS: ACTIVE, ASSOCIATE, AND CANDIDATE. ACTIVE MEMBERS HAVE VOTING RIGHTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE MEMBERS HAVE THE RIGHT TO ELECT OFFICERS AND MEMBERS OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE MEMBERS HAVE THE RIGHT TO VOTE ON MATTERS ALLOWED UNDER THE LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>990 IS REVIEWED BY THE ADMINISTRATIVE STAFF OF THE MANAGEMENT COMPANY (PRRI) AND IS THEN PROVIDED TO THE TREASURER FOR FINAL REVIEW BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS DISTRIBUTED, DISCUSSED AND UPDATED AT EACH COUNCIL MEETING IN ORDER FOR THE ORGANIZATION TO MONITOR AND ENFORCE COMPLIANCE WITH THE POLICY BY ALL OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS AVAILABLE TO THE PUBLIC UPON REQUEST AT THE ADMINISTRATIVE OFFICES OF THE ORGANIZATION'S MANAGEMENT COMPANY (PRRI).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST AT THE ADMINISTRATIVE OFFICES OF THE ORGANIZATION'S MANAGEMENT COMPANY (PRRI).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>