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        <PersonNm>WILLIAM YARDLEY</PersonNm>
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        <PersonNm>JEFFREY BRUNER</PersonNm>
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        <PersonNm>SARAH MUGEL ESQ</PersonNm>
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        <PersonNm>TJ TUSCAI</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>ROGER THORPE</PersonNm>
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        <PersonNm>PETER KENNY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SASHA WEINTRAUB</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>KELLY PRASSER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JC THOMAS</PersonNm>
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        <PersonNm>PETER TUMMINELLO</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT SMITH</PersonNm>
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        <PersonNm>JOEY MAHMOUD</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOSEPH HARTZ</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TREVOR HASTINGS</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AMY A CAMPBELL</PersonNm>
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        <PersonNm>JOAN D JACKSON</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTOPHER J OSMAN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SANDRA Y SNYDER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>IRYNA V BAUKUNOVICH</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DONALD SANTA</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NICHOLE F REYNOLDS</PersonNm>
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        <PersonNm>MICHAEL ISPER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NICHOLE M WILLISON</PersonNm>
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          <BusinessName>
            <BusinessNameLine1Txt>AMERICAN COLLEGE OF SURGEONS</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>800 BOYLSTON ST SUITE 1900</AddressLine1Txt>
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            <ZIPCd>02199</ZIPCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FTI CONSULTING</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HUNTON ANDREWS KURTH LLP</BusinessNameLine1Txt>
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          <USAddress>
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      <ContractorCompensationGrp>
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          <BusinessName>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CGCN GROUP LLC</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>1101 K STREET NW SUITE 650</AddressLine1Txt>
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            <ZIPCd>20005</ZIPCd>
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        <BusinessCd>900099</BusinessCd>
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        <TotalRevenueColumnAmt>326326</TotalRevenueColumnAmt>
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        <Desc>EXCISE TAXES</Desc>
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        <EOYAmt>3805981</EOYAmt>
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        <EOYAmt>112829</EOYAmt>
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        <EOYAmt>211756</EOYAmt>
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        <EOYAmt>5202976</EOYAmt>
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        <EOYAmt>39806</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>10030417</EOYAmt>
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        <EOYAmt>429718</EOYAmt>
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        <EOYAmt>105060</EOYAmt>
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        <EOYAmt>987421</EOYAmt>
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        <EOYAmt>1522199</EOYAmt>
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        <BOYAmt>10844179</BOYAmt>
        <EOYAmt>8508218</EOYAmt>
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        <EOYAmt>8508218</EOYAmt>
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        <EOYAmt>10030417</EOYAmt>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
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        <Desc>RETIREMENT LIABILITIES</Desc>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INCOME TAX POSITIONS TAKEN BY THE ASSOCIATION FOR ANY YEARS OPEN UNDER THE VARIOUS STATUTES OF LIMITATION ARE THAT THE ASSOCIATION CONTINUES TO BE EXEMPT FROM INCOME TAXES AND THAT THE ASSOCIATION HAS PROPERLY REPORTED UNRELATED BUSINESS INCOME THAT IS SUBJECT TO INCOME TAXES. THE ASSOCIATION BELIEVES THAT THERE ARE NO TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD SIGNIFICANTLY INCREASE UNRECOGNIZED TAX BENEFITS WITHIN 12 MONTHS OF THE REPORTING DATE.</ExplanationTxt>
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        <PersonNm>SANDRA Y SNYDER</PersonNm>
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        <TitleTxt>VICE PRESIDENT</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MICHAEL ISPER</PersonNm>
        <TitleTxt>DIRECTOR OF SECURITY</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>AMY A CAMPBELL</PersonNm>
        <TitleTxt>PRESIDENT AND CEO (BEG 9/21/20)</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NICHOLE M WILLISON</PersonNm>
        <TitleTxt>EXECUTIVE ASSISTANT</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINES 4A-B</FormAndLineReferenceDesc>
        <ExplanationTxt>DONALD SANTA HAD AN AGREEMENT WITH INGAA FOR AN EARLY RETIREMENT BENEFIT. AMOUNTS ARE INCLUDED IN PART II OF SCHEDULE J. DONALD SANTA PARTICIPATED IN A DEFERRED INCENTIVE COMPENSATION PLAN, AMOUNT IS INCLUDED IN PART II, COLUMN "C" OF SCHEDULE J.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 2A, COMMON PAYMASTER</FormAndLineReferenceDesc>
        <ExplanationTxt>INGAA SERVES AS THE COMMON PAYMASTER FOR ITSELF AND THE INGAA FOUNDATION, INC. INGAA REPORTED 17 EMPLOYEES ON THE FEDERAL FORM W-3 FOR THE YEAR 2020. NINE OF THOSE 17 EMPLOYEES' TIME WAS ALLOCATED BETWEEN THE ENTITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THROUGH NORMAL COURSE OF BUSINESS, COMPANIES REPRESENTED ON THE INGAA BOARD ARE INVOLVED IN VARIOUS BUSINESS ACTIVITIES SUCH AS SERVICE CONTRACTS, JOINT VENTURES, ETC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>NATURAL GAS PIPELINE COMPANIES (SHALL INCLUDE ANY PERSON, FIRM OR CORPORATION ENGAGED IN THE PIPELINE TRANSPORTATION OF NATURAL GAS IN NORTH AMERICA WHOSE ACTIVITIES AND INTERESTS ARE DEEMED BY THE BOARD OF DIRECTORS TO BE CONSISTENT WITH THE OBJECTIVES OF THE ASSOCIATION), SHALL BE ELIGIBLE FOR MEMBERSHIP WITH THE RIGHT TO VOTE AT MEETINGS OF THE MEMBERS, THROUGH THEIR ACCREDITED REPRESENTATIVES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCORDING TO ARTICLE IV, SECTION 3 OF THE BYLAWS OF INGAA, EACH MEMBER OF THE ASSOCIATION IN GOOD STANDING AND ELIGIBLE TO VOTE SHALL BE ENTITLED TO ONE (1) VOTE ON ALL MATTERS PROPERLY BEFORE THE MEETING OF THE MEMBERS. THE VOTE OF ANY MEMBER OF THE ASSOCIATION MAY BE CAST BY ITS REPRESENTATIVE OR PROXY. ANY SUCH PROXY MUST BE FURNISHED IN WRITING. ANY PROXY MAY BE REVOKED AND WITHDRAWN AT ANY TIME BY THE MEMBER WHO CONFERRED SUCH PROXY BY SO NOTIFYING, IN WRITING, THE PRESIDENT AND THE PERSON TO WHOM THE PROXY WAS ORIGINALLY GIVEN. NO PERSON OTHER THAN A DULY QUALIFIED MEMBER ENTITLED TO VOTE AND IN GOOD STANDING OR A PERSON PROPERLY AUTHORIZED TO REPRESENT SUCH A MEMBER CAN HOLD AND EXERCISE A PROXY FROM ANY MEMBER OF THE ASSOCIATION. ANY ACTION REQUIRED OR PERMITTED TO BE TAKEN AT ANY MEETING OF MEMBERS MAY, EXCEPT AS OTHERWISE REQUIRED BY LAW OR THE CERTIFICATE OF INCORPORATION, BE TAKEN WITHOUT A MEETING, WITHOUT PRIOR NOTICE AND WITHOUT A VOTE, IF A CONSENT IN WRITING, SETTING FORTH THE ACTION SO TAKEN, SHALL BE SIGNED BY THE MEMBERS HAVING NOT LESS THAN THE MINIMUM NUMBER OF VOTES THAT WOULD BE NECESSARY TO AUTHORIZE OR TAKE SUCH ACTION AT A MEETING AT WHICH ALL MEMBERS ENTITLED TO VOTE THEREON WERE PRESENT AND VOTED, AND THE WRITING OR WRITINGS ARE FILED WITH THE PERMANENT RECORDS OF THE ASSOCIATION. PROMPT NOTICE OF THE TAKING OF CORPORATE ACTION WITHOUT A MEETING BY LESS THAN UNANIMOUS WRITTEN CONSENT SHALL BE GIVEN TO THOSE MEMBERS WHO HAVE NOT CONSENTED IN WRITING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCORDING TO ARTICLE VII OF THE BYLAWS OF INGAA, THE BOARD MAY CREATE ONE OR MORE COMMITTEES OF THE BOARD ("BOARD COMMITTEES") THAT CONSIST OF ONE OR MORE DIRECTORS. THE CREATION OF A BOARD COMMITTEE, AND APPOINTMENT OF DIRECTORS TO IT, MUST BE APPROVED BY A MAJORITY OF ALL THE DIRECTORS THEN IN OFFICE. THE BOARD MAY DESIGNATE ONE OR MORE DIRECTORS AS ALTERNATE MEMBERS OF ANY BOARD COMMITTEE, WHO MAY REPLACE ANY ABSENT OR DISQUALIFIED MEMBER AT ANY MEETING. BOARD COMMITTEES SHALL HAVE AND MAY EXERCISE ALL THE POWERS AND AUTHORITY OF THE BOARD IN THE MANAGEMENT OF THE BUSINESS AND AFFAIRS OF THE ASSOCIATION TO THE EXTENT PROVIDED IN THE RESOLUTION OF THE BOARD OR IN THE BYLAWS; BUT NO BOARD COMMITTEE SHALL HAVE THE POWER OR AUTHORITY IN REFERENCE TO: (A) AMENDING THE CERTIFICATE OF INCORPORATION OR BYLAWS, (B) ADOPTING AN AGREEMENT OF MERGER OR CONSOLIDATION, (C) RECOMMENDING TO THE MEMBERS THE SALE, LEASE OR EXCHANGE OF ALL OR SUBSTANTIALLY ALL OF THE ASSOCIATION'S ASSETS, (D) RECOMMENDING TO THE MEMBERS A DISSOLUTION OF THE ASSOCIATION OR A REVOCATION OF A DISSOLUTION, (E) ANY OTHER ACTIONS WHICH REQUIRE THE APPROVAL OF THE BOARD UNDER APPLICABLE LAW OR THESE BYLAWS, (F) FILLING VACANCIES IN THE BOARD OR ANY COMMITTEE, (G) ELECTING, APPOINTING OR REMOVING ANY MEMBER OF ANY COMMITTEE OR ANY DIRECTOR OR OFFICER, OR (I) AMENDING OR REPEALING ANY RESOLUTION OF THE BOARD. EACH BOARD COMMITTEE SHALL KEEP MINUTES OF ITS PROCEEDINGS, AND ACTIONS TAKEN BY A BOARD COMMITTEE SHALL BE REPORTED TO THE BOARD.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ELECTRONIC VERSION OF FORM 990 IS DISTRIBUTED TO ALL BOARD MEMBERS PRIOR TO THE BOARD MEETING FOR THEIR REVIEW. APPROVAL OF THE 990 IS LISTED AS AN AGENDA ITEM FOR THE BOARD MEETING; AFTER DISCUSSION, A MOTION WAS REQUESTED FOR PERMISSION TO FILE THE FORM 990 AS WRITTEN (OR WITH APPROVED CHANGES) AND PASSED BY VOICE VOTE.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>INGAA HAS TWO CONFLICT OF INTEREST POLICIES. ONE POLICY APPLIES TO ALL INGAA EMPLOYEES AND THE OTHER POLICY APPLIES TO KEY INGAA EMPLOYEES AND MEMBERS OF THE BOARD OF DIRECTORS. INGAA STAFF AND THE BOARD WERE BRIEFED ON THE POLICIES AND WERE PROVIDED WITH EXAMPLES OF THE TYPES OF SITUATIONS THAT COULD BE DEEMED TO BE "CONFLICTS OF INTEREST" THAT WOULD NEED TO BE REPORTED TO EITHER THE PRESIDENT, OR OTHER MANAGEMENT. THE ASSOCIATION MAINTAINS DOCUMENTATION MEMORIALIZING THAT ALL STAFF AND BOARD MEMBERS HAVE EXECUTED DECLARATIONS STATING THAT THEY HAVE READ AND AGREE TO ABIDE BY THE CONFLICT OF INTEREST POLICIES.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT OF INGAA PROVIDES THE COMPENSATION COMMITTEE WITH DOCUMENTATION SUPPORTING RECOMMENDED BASE SALARY ADJUSTMENTS AND RECOMMENDED INCENTIVE COMPENSATION AWARDS FOR STAFF BASED UPON THE OVERALL PERFORMANCE OF THE ORGANIZATION MEASURED AGAINST ITS ANNUAL BOARD-APPROVED ACTION PLAN AND THE PERFORMANCE OF INDIVIDUAL EXECUTIVES MEASURED AGAINST THEIR ANNUAL GOALS. THE COMMITTEE ALSO EVALUATES THE PERFORMANCE OF THE PRESIDENT BASED ON THESE CRITERIA. THE COMPENSATION COMMITTEE MAKES A FINAL DECISION ON BASE SALARY AND INCENTIVE COMPENSATION FOR THE PRESIDENT AND ALL SENIOR EXECUTIVES WHO REPORT DIRECTLY TO THE PRESIDENT.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA DOES NOT MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY OR FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC. THE ASSOCIATION DOES, UPON REQUEST, SHARE FINANCIAL STATEMENTS WITH BANKS, INSURANCE COMPANIES AND OTHER VENDORS FOR THE PURPOSE OF OBTAINING CREDIT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>PENSION-RELATED CHANGES OTHER THAN NET PERIODIC PENSION COSTS -2,866,528.</ExplanationTxt>
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      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
