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      <Desc>OS&amp;E: THE PRINCIPAL PIPELINE SAFETY UNDERTAKING IN 2016 WAS PREPARATION OF COMMENTS ON A PROPOSED U.S. DEPARTMENT OF TRANSPORTATION RULEMAKING TO IMPLEMENT THE MANDATES OF THE 2011 REAUTHORIZATION OF THE PIPELINE SAFETY ACT. INGAA ALSO PARTICIPATED IN VARIOUS FORUMS ON THE SAFETY OF UNDERGROUND NATURAL GAS STORAGE IN ORDER TO INFORM THE IMPLEMENTATION OF PROVISIONS IN THE 2016 REAUTHORIZATION LAW.INGAA CONTINUED TO FOCUS ON ASSISTING ITS MEMBER COMPANIES WITH IMPLEMENTATION OF THE VOLUNTARY SAFETY COMMITMENTS THAT HAVE BEEN MADE TO ACHIEVE THE GOAL OF ZERO PIPELINE SAFETY INCIDENTS THAT WAS ESTABLISHED BY INGAA'S BOARD OF DIRECTORS. INGAA ASSISTED IN MEMBER IMPLEMENTATION OF SAFETY MANAGEMENT SYSTEMS, WHICH PROVIDE ANOTHER MANAGEMENT TOOL TO IMPROVE SAFETY PERFORMANCE. INGAA REPRESENTED ITS MEMBERS IN A VARIETY OF GOVERNMENTAL AND NON-GOVERNMENTAL FORUMS AND SIMULATIONS ADDRESSING CYBERSECURITY AND PHYSICAL SECURITY FOR CRITICAL INFRASTRUCTURE, INCLUDING NATURAL GAS TRANSMISSION PIPELINES. MEMBER COMPANIES JOINED A FORMAL DOWNSTREAM NATURAL GAS INFORMATION AND SHARING CENTER THROUGH INGAA AND ARE TESTING AN AUTOMATED CYBER INFORMATION SHARING SYSTEM BETWEEN MEMBERS. REGULATIONS ISSUED BY THE ENVIRONMENTAL PROTECTION AGENCY UNDER THE CLEAN AIR ACT (CAA) CONTINUE TO PRESENT THE GREATEST ENVIRONMENTAL POLICY CHALLENGES FOR INGAA. INGAA FOCUSED ON RESPONDING TO AN EPA RULE THAT ESTABLISHED NEW SOURCE PERFORMANCE STANDARDS FOR METHANE EMISSIONS FROM NEW AND MODIFIED FACILITIES AND AN INFORMATION COLLECTION REQUEST FOR EMISSIONS FROM EXISTING FACILITIES.</Desc>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LeaseholdImprovementsGrp>
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        <DepreciationAmt>704511</DepreciationAmt>
        <BookValueAmt>379032</BookValueAmt>
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        <DepreciationAmt>475011</DepreciationAmt>
        <BookValueAmt>175568</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>554600</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>RETIREMENT LIABILITIES</Desc>
        <Amt>4710903</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT LIABILITY</Desc>
        <Amt>476009</Amt>
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      <TotalLiabilityAmt>5186912</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <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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    </IRS990ScheduleD>
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      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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        <PersonNm>DONALD SANTA</PersonNm>
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        <PersonNm>TERRY BOSS</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOAN DRESKIN-JACKSON</PersonNm>
        <TitleTxt>VP/GENERAL COUNSEL/SECRETA</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <PersonNm>RICHARD HOFFMANN</PersonNm>
        <TitleTxt>E.D, &amp; FDN TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>46792</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>187168</CompensationBasedOnRltdOrgsAmt>
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        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>14637</NontaxableBenefitsRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>44137</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CATHY LANDRY</PersonNm>
        <TitleTxt>COMMUNICATIONS DIRECTOR/SE</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>77022</CompensationBasedOnRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PATRICIA TAYLOR</PersonNm>
        <TitleTxt>COMPTROLLER</TitleTxt>
        <BaseCompensationFilingOrgAmt>122726</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>19500</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1491</OtherCompensationFilingOrgAmt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>DONALD SANTA HAS AN AGREEMENT WITH INGAA FOR AN EARLY RETIREMENT BENEFIT. AMOUNTS ARE INCLUDED IN PART II OF SCHEDULE J. DONALD SANTA, TERRY BOSS, MARTIN EDWARDS, III, JOAN DRESKIN JACKSON, CATHY LANDRY AND RICHARD HOFFMANN PARTICIPATED IN A DEFERRED INCENTIVE COMPENSATION PLAN, AMOUNTS ARE INCLUDED IN PART II, COLUMN "C" OF SCHEDULE J.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 2A, COMMON PAYMASTER</FormAndLineReferenceDesc>
        <ExplanationTxt>INGAA SERVES AS THE COMMON PAYMASTER FOR ITSELF AND THE INGAA FOUNDATION. INGAA REPORTED 26 EMPLOYEES ON THE FEDERAL FORM W-3 FOR THE YEAR 2016. OF THOSE 26 EMPLOYEES, FIVE EMPLOYEE'S TIME WAS ALLOCATED BETWEEN THE ENTITIES.</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>
      </SupplementalInformationDetail>
      <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>
      </SupplementalInformationDetail>
      <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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      <SupplementalInformationDetail>
        <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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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA RETAINS AN INDEPENDENT CONSULTANT TO PERFORM A MARKET ANALYSIS OF INGAA'S COMPENSATION PRACTICE FOR SENIOR EXECUTIVES RELATIVE TO COMPARABLE POSITIONS WITHIN SIMILAR ORGANIZATIONS. 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. THE MEMBERSHIP OF THE COMPENSATION COMMITTEE IS IDENTICAL TO THE MEMBERSHIP OF THE BOARD STEERING COUNCIL.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <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>PART VI, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDER THE INGAA BYLAWS, THE BOARD STEERING COUNCIL IS EMPOWERED TO ACT FOR THE BOARD DURING THE INTERVAL BETWEEN BOARD MEETINGS. THE BYLAWS STATE: THE STEERING COUNCIL SHALL BE A BOARD COMMITTEE AND SHALL INCLUDE THE CHAIRMAN OF THE BOARD (WHO WILL SERVE AS CHAIRMAN OF THE STEERING COUNCIL), THE CHAIRMAN OF THE BUDGET AND DUES COMMITTEE, THE FIRST VICE CHAIRMAN, THE SECOND VICE CHAIRMAN, AND THE IMMEDIATE PAST CHAIRMAN OF THE BOARD. THE STEERING COUNCIL SHALL ASSIST THE BOARD AND IS EMPOWERED TO ACT FOR THE BOARD DURING INTERVALS BETWEEN MEETINGS OF THE BOARD. DURING THESE INTERVALS, THE STEERING COUNCIL IS CHARGED WITH INFLUENCING AND DEVELOPING POLICIES ON FEDERAL LEGISLATIVE AND REGULATORY ISSUES TO PROMOTE THE GROWTH AND DEVELOPMENT OF THE NORTH AMERICAN NATURAL GAS PIPELINE INDUSTRY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>PENSION-RELATED CHANGES OTHER THAN NET PERIODIC PENSION COSTS -48,844. TO CORRECT ERROR IN THE PRIOR YEAR ENDING NET ASSETS 3,500.</ExplanationTxt>
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    </IRS990ScheduleO>
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        <PrimaryActivitiesTxt>POLICTICAL ACTION COMMITTEE</PrimaryActivitiesTxt>
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      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
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      <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>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>