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        <ServicesDesc>EXECUTIVE DIRECTOR - TANK CARS</ServicesDesc>
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      <CntrctRcvdGreaterThan100KCnt>4</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>COMMITTEE ASSESSMENTS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1727257</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1727257</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>611430</BusinessCd>
        <TotalRevenueColumnAmt>1012665</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1012665</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL CONFERENCE</Desc>
        <BusinessCd>611430</BusinessCd>
        <TotalRevenueColumnAmt>897636</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>897636</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3637558</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>71235</TotalRevenueColumnAmt>
        <ExclusionAmt>71235</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>1483371</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>1333318</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>150053</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>150053</TotalRevenueColumnAmt>
        <ExclusionAmt>150053</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>84250</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>84250</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>84250</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3943096</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3721808</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>221288</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <FeesForServicesManagementGrp>
        <TotalAmt>1222747</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>24000</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>16200</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>434264</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>14550</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>892490</TotalAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>25023</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>160552</TotalAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>54231</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>240387</TotalAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>9807</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>CAR HIRE REFORM</Desc>
        <TotalAmt>634781</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CREDIT CARD AND BANK FE</Desc>
        <TotalAmt>33113</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>OTHER</Desc>
        <TotalAmt>26543</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT EXPENSE</Desc>
        <TotalAmt>789</TotalAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>3789477</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1331188</BOYAmt>
        <EOYAmt>669278</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>348131</BOYAmt>
        <EOYAmt>221481</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>135918</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>2384580</EOYAmt>
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        <EOYAmt>3411257</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>325195</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>497157</EOYAmt>
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      <OtherLiabilitiesGrp>
        <BOYAmt>40262</BOYAmt>
        <EOYAmt>40262</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>1250564</BOYAmt>
        <EOYAmt>862614</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>2548643</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>2402822</BOYAmt>
        <EOYAmt>2548643</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>3653386</BOYAmt>
        <EOYAmt>3411257</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>153619</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-7798</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>1</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>1012562</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>434264</NonDeductibleLbbyngPltclCYAmt>
      <NonDedLbbyngPltclCyovAmt>48803</NonDedLbbyngPltclCyovAmt>
      <NonDeductibleLbbyngPltclTotAmt>483067</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>303769</AggregateReportedDuesNtcAmt>
      <CarriedOverAmt>179298</CarriedOverAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO MEMBERS</Desc>
        <Amt>40262</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>40262</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3920748</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-7798</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>-7798</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3928546</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>14550</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>14550</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3943096</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3774927</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3774927</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>14550</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>14550</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3789477</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE HAS ADOPTED THE PROVISION OF ASC TOPIC 740, INCOME TAXES, RELATING TO THE ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES. THE ASSOCIATION FILES INFORMATION RETURNS IN THE U.S. FEDERAL JURISDICTION. MANAGEMENT IS NOT AWARE OF ANY UNCERTAIN TAX POSITIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>RSI HAS DELEGATED THE MANAGEMENT OF ITS DAILY OPERATIONS TO SMITHBUCKLIN CORPORATION IN WASHINGTON, DC SINCE JULY 2021. SMITHBUCKLIN IS A MANAGEMENT COMPANY WHICH MANAGES ALL ASPECTS OF THE INSTITUTE IN ACCORDANCE WITH RSI'S BYLAWS AND POLICIES. OPERATIONS MAY INCLUDE, BUT ARE NOT LIMITED TO, ADMINISTRATION, MEMBERSHIP, FINANCE AND ACCOUNTING, CONFERENCE AND EVENT PLANNING, EDUCATION, MARKETING, INFORMATION TECHNOLOGY AND GOVERNMENT RELATIONS. SMITHBUCKLIN EMPLOYEES PROVIDE THESE SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>RSI HAS TWO CATEGORIES OF MEMBERS: REGULAR AND SPECIAL. REGULAR MEMBERS CONSIST OF COMPANIES AND ORGANIZATIONS WHICH PROVIDE GOODS AND SERVICES TO THE NATIONAL FREIGHT AND PASSENGER RAILROAD INDUSTRY AND OTHER RAILWAY SUPPLY COMPANIES. SPECIAL MEMBERS CONSIST OF BUT ARE NOT LIMITED TO RAILROADS, FINANCIAL INSITUTIONS, LAW FIRMS, PUBLISHING COMPANIES AND OTHER ENTITIES AND INSITUTIONS THAT SHARE THE PURPOSE AND GOALS OF RSI BUT MAY NOT DIRECTLY SELL TO OR REPRESENT THE RAILROAD INDUSTRY. THE BOARD OF DIRECTORS HAS THE SOLE DISCRETION IN DETERMINING WHICH COMPANIES ARE ELIGIBLE UNDER THE SPECIAL MEMBERSHIP CATEGORY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS IS ELECTED BY A VOTE OF RSI'S REGULAR MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>RSI'S FORM 990 IS PREPARED BY INDEPENDENT PUBLIC ACCOUNTANTS AND SUBMITTED TO ITS MANAGEMENT COMPANY FOR INITIAL REVIEW. THE FORM IS THEN SUBMITTED TO THE BOARD OF DIRECTORS FOR FURTHER REVIEW AND DISCUSSION PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>RSI'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER CONTRACTUAL SERVICE FEES 47,404. ARCI COMMITTEE 54,774. COUPLER COMMITTEE 32,275. STATE TAX COMMITTEE 120,505. TANK CAR COMMITTEE 637,532.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>RSI'S FINANCE COMMITTEE IS RESPONSIBLE FOR THE OVERSIGHT OF THE AUDIT AND THE SELECTION OF AN INDEPENDENT ACCOUNTANT. THE PROCESS IS CONSISTENT WITH PRIOR YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>