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      <TotalProgramServiceRevenueAmt>73448</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>2386</TotalRevenueColumnAmt>
        <ExclusionAmt>2386</ExclusionAmt>
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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>890399</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>73448</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2386</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>321407</TotalAmt>
        <ProgramServicesAmt>181033</ProgramServicesAmt>
        <ManagementAndGeneralAmt>86163</ManagementAndGeneralAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>16550</TotalAmt>
        <ProgramServicesAmt>9322</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4437</ManagementAndGeneralAmt>
        <FundraisingAmt>2791</FundraisingAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>21149</TotalAmt>
        <ProgramServicesAmt>19456</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1039</ManagementAndGeneralAmt>
        <FundraisingAmt>654</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>25537</TotalAmt>
        <ProgramServicesAmt>14384</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6846</ManagementAndGeneralAmt>
        <FundraisingAmt>4307</FundraisingAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>111913</TotalAmt>
        <ProgramServicesAmt>79118</ProgramServicesAmt>
        <ManagementAndGeneralAmt>21825</ManagementAndGeneralAmt>
        <FundraisingAmt>10970</FundraisingAmt>
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      <AdvertisingGrp>
        <TotalAmt>968</TotalAmt>
        <ProgramServicesAmt>545</ProgramServicesAmt>
        <ManagementAndGeneralAmt>260</ManagementAndGeneralAmt>
        <FundraisingAmt>163</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>11418</TotalAmt>
        <ProgramServicesAmt>6431</ProgramServicesAmt>
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        <FundraisingAmt>1926</FundraisingAmt>
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      <InformationTechnologyGrp>
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        <ProgramServicesAmt>5925</ProgramServicesAmt>
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        <FundraisingAmt>1774</FundraisingAmt>
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      <OccupancyGrp>
        <TotalAmt>42617</TotalAmt>
        <ProgramServicesAmt>24004</ProgramServicesAmt>
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      <TravelGrp>
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        <ProgramServicesAmt>4282</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1800</ManagementAndGeneralAmt>
        <FundraisingAmt>5829</FundraisingAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>15467</TotalAmt>
        <FundraisingAmt>15467</FundraisingAmt>
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        <TotalAmt>1946</TotalAmt>
        <ProgramServicesAmt>1096</ProgramServicesAmt>
        <ManagementAndGeneralAmt>522</ManagementAndGeneralAmt>
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        <Desc>RECRUITMENT</Desc>
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        <ProgramServicesAmt>15461</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7359</ManagementAndGeneralAmt>
        <FundraisingAmt>4630</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>FINANCIAL SERVICES FEES</Desc>
        <TotalAmt>4671</TotalAmt>
        <ProgramServicesAmt>520</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3995</ManagementAndGeneralAmt>
        <FundraisingAmt>156</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>293478</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>530723</BOYAmt>
        <EOYAmt>293478</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>1163361</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>100000</BOYAmt>
        <EOYAmt>100000</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>996485</BOYAmt>
        <EOYAmt>1263361</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1527208</BOYAmt>
        <EOYAmt>1556839</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>266876</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <SupportingOrgType1Ind>X</SupportingOrgType1Ind>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>US SIF THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <EIN>222701978</EIN>
        <OrganizationTypeCd>10</OrganizationTypeCd>
        <GoverningDocumentListedInd>0</GoverningDocumentListedInd>
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        <OtherSupportAmt>0</OtherSupportAmt>
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      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>0</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
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        <SuprtOrgNoIRSDeterminationInd>1</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>1</SupportedOrgSectionC456Ind>
        <SupportedOrgQualifiedInd>1</SupportedOrgQualifiedInd>
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        <SupportedOrgNotOrganizedUSInd>0</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>0</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>0</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>0</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>0</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>0</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>0</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>0</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>0</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>0</ContributionControllerInd>
        <ContributionFamilyInd>0</ContributionFamilyInd>
        <Contribution35ControlledInd>0</Contribution35ControlledInd>
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      <Form990SchAType1SuprtOrgGrp>
        <PowerAppointMajorityDirTrstInd>1</PowerAppointMajorityDirTrstInd>
        <OperateBenefitNonSuprtOrgInd>0</OperateBenefitNonSuprtOrgInd>
      </Form990SchAType1SuprtOrgGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION A, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION BEING SUPPORTED SATISFIES THE PUBLIC SUPPORT TEST. IN ADDITION, THE TWO ORGANIZATIONS SHARE THE SAME OFFICE, SHARE THE SAME STAFF, HAVE THE SAME BOARD, HAVE COMPLEMENTARY PROGRAMS AND ARE INCLUDED TOGETHER ON CONSOLIDATED FINANCIAL STATEMENTS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION A, LINE 3B:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION BEING SUPPORTED SATISFIES THE PUBLIC SUPPORT TEST. IN ADDITION, THE TWO ORGANIZATIONS SHARE THE SAME OFFICE, SHARE THE SAME STAFF, HAVE THE SAME BOARD, HAVE COMPLEMENTARY PROGRAMS AND ARE INCLUDED TOGETHER ON CONSOLIDATED FINANCIAL STATEMENTS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION A, LINE 3C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION ENSURED THAT ALL SUPPORT WAS USED EXCLUSIVELY FOR SECTION 170 PURPOSES AS THE ORGANIZATIONS SHARE THE SAME OFFICE AND SAME STAFF.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
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        <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>
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    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO US SIF</Desc>
        <Amt>293478</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>293478</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>US SIF IS EXEMPT FROM FEDERAL AND LOCAL INCOME TAXES UNDER SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE ON INCOME DERIVED FROM ACTIVITIES RELATED TO THEIR EXEMPT PURPOSE. THE FOUNDATION IS EXEMPT FROM FEDERAL AND LOCAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE ON INCOME DERIVED FROM ACTIVITIES RELATED TO THEIR EXEMPT PURPOSE. US SIF AND THE FOUNDATION ARE NOT PRIVATE FOUNDATIONS FOR TAX PURPOSES. THE ORGANIZATION IS NOT AWARE OF ANY ACTIVITIES THAT WOULD JEOPARDIZE THEIR TAX-EXEMPT STATUS THAT WOULD REQUIRE RECOGNITION IN THE ACCOMPANYING CONSOLIDATED FINANCIAL STATEMENTS. GENERALLY, TAX RETURNS ARE SUBJECT TO EXAMINATION BY TAXING AUTHORITIES FOR UP TO THREE YEARS FROM THE DATE A COMPLETED RETURN IS FILED. IF MATERIAL OMISSIONS OF INCOME EXIST, TAX RETURNS MAY BE SUBJECT TO EXAMINATION FOR UP TO SIX YEARS. IT IS THE ORGANIZATION'S POLICY TO RECOGNIZE INTEREST AND/OR PENALTIES RELATED TO UNCERTAIN TAX POSITIONS, IF ANY, IN THE ACCOMPANYING CONSOLIDATED FINANCIAL STATEMENTS. AS OF DECEMBER 31, 2023 AND 2022, THE ORGANIZATION HAD NO UNCERTAIN TAX POSITIONS WHICH SHOULD BE RECOGNIZED AS A LIABILITY. THE ORGANIZATION IS NO LONGER SUBJECT TO U.S. FEDERAL OR STATE EXAMINATIONS BY TAX AUTHORITIES FOR TAX YEARS PRIOR TO 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <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>BRYAN M MCGANNON</PersonNm>
        <TitleTxt>MANAGING DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>155641</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>12500</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>6226</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>11810</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>186177</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARIA A LETTINI BEG 51523</PersonNm>
        <TitleTxt>CEO (CHIEF EXECUTIVE OFFICER)</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>173039</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>5053</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>6157</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>184249</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LISA WOLL THRU 6123</PersonNm>
        <TitleTxt>CEO (CHIEF EXECUTIVE OFFICER)</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>107905</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>15000</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>30636</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>6142</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>567</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>160250</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION OF THE ORGANIZATION'S CEO IS REVIEWED AND APPROVED BY THE GOVERNING BOARD OF THE US SIF: THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT RELATED PARTY. THE CEO ANNUALLY EVALUATES AND SETS COMPENSATION FOR SENIOR MANAGEMENT. OTHER COMPENSATION DECISIONS ARE MADE BY THE CEO AND SENIOR MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOLE MEMBER IS THE US SIF: THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT - AS STATED IN THE BYLAWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>US SIF: THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT IS THE SOLE MEMBER OF US SIF FOUNDATION AND IS RESPONSIBLE FOR THE FOUNDATION'S GOVERNANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>US SIF: THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT IS THE SOLE MEMBER OF US SIF FOUNDATION AND IS RESPONSIBLE FOR THE FOUNDATION'S GOVERNANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAFT 990 IS SENT TO THE AUDIT COMMITTEE FOR THEIR REVIEW. AFTER THAT REVIEW IS COMPLETED, THE RETURN IS SENT TO THE FULL GOVERNING BODY PRIOR TO FILING THE FORM WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH DIRECTOR SHALL PROVIDE AN ANNUAL DISCLOSURE STATEMENT TO THE ORGANIZATION IDENTIFYING: (I) EACH ORGANIZATION FOR WHICH THE DIRECTOR IS A DIRECTOR OR EXECUTIVE (OR HOLDS AN EQUIVALENT POSITION) OR BY WHICH THE DIRECTOR IS EMPLOYED, AND (II) EACH INVESTMENT, INTEREST, VOLUNTEER ACTIVITY, MEMBERSHIP OR OTHER MATTER THAT MAY CONFLICT OR INTERFERE WITH THE DIRECTOR'S POSITION ON THE BOARD OR THAT MAY CAUSE A CONFLICT OF INTEREST BETWEEN THE DIRECTOR'S DUTY TO THE ORGANIZATION AND THE INVESTMENT, INTEREST, ACTIVITY, MEMBERSHIP OR MATTER. (III) ANY CONFLICT OF INTEREST IDENTIFIED BY THE DIRECTORS OR THE ABSENCE OF ANY CONFLICT OF INTEREST TO THE BEST OF KNOWLEDGE OF THE DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S AUDITED FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC ONLINE AS PART OF THE ORGANIZATION'S ANNUAL REPORT. GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FORM 990 ARE AVAILABLE TO MEMBERS THROUGH AN ONLINE MEMBER CENTER, AND TO THE GENERAL PUBLIC UPON REQUEST. RECENT 990'S FOR THE ORGANIZATION ARE ALSO AVAILABLE AT WWW.GUIDESTAR.ORG.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTING -MEDIA: PROGRAM SERVICE EXPENSES 21,454. MANAGEMENT AND GENERAL EXPENSES 10,211. FUNDRAISING EXPENSES 6,425. TOTAL EXPENSES 38,090. CONSULTING -PROGRAM: PROGRAM SERVICE EXPENSES 20,874. MANAGEMENT AND GENERAL EXPENSES 9,935. FUNDRAISING EXPENSES 6,251. TOTAL EXPENSES 37,060. OTHER: PROGRAM SERVICE EXPENSES 36,790. MANAGEMENT AND GENERAL EXPENSES 1,679. FUNDRAISING EXPENSES -1,706. TOTAL EXPENSES 36,763.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS ASSUME RESPONSILBILITY FOR OVERSIGHT OF THE AUDIT AND SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>US SIF THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1660 L STREET NW 360</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
        </USAddress>
        <EIN>222701978</EIN>
        <PrimaryActivitiesTxt>ADVANCE SUSTAINABLE AND RESPONSIBLE INVESTMENT PRACTICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <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>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DUE TO US SIF</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>230778</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>