﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-02-02T14:22:32-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-09-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>461932715</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>STEVEN M PHELAN CPA PLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>PO BOX 1197</AddressLine1Txt>
        <CityNm>MUSTANG</CityNm>
        <StateAbbreviationCd>OK</StateAbbreviationCd>
        <ZIPCd>730641197</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-10-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>730596930</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>OKLAHOMA INDIAN NATIONS CHAPTER OF</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>THE SOLID WASTE ASSOC OF N AMERICA</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>OKLA</BusinessNameControlTxt>
      <PhoneNum>4058311771</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 3112</AddressLine1Txt>
        <CityNm>OKLAHOMA CITY</CityNm>
        <StateAbbreviationCd>OK</StateAbbreviationCd>
        <ZIPCd>73101</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JEANETTE NANCE</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>4058311771</PhoneNum>
      <SignatureDt>2024-01-06</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>STEVEN M PHELAN</PreparerPersonNm>
      <PTIN>P00052084</PTIN>
      <PhoneNum>4056331694</PhoneNum>
      <PreparationDt>2025-02-02</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.OKSWANA.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc3">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>71795</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ProgramServiceRevenueAmt>67417</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>4378</MembershipDuesAmt>
      <TotalRevenueAmt>71795</TotalRevenueAmt>
      <OtherExpensesTotalAmt>60506</OtherExpensesTotalAmt>
      <TotalExpensesAmt>60506</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>11289</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>81245</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-1039</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>91495</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>81245</BOYAmt>
        <EOYAmt>91495</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>81245</BOYAmt>
        <EOYAmt>91495</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>81245</BOYAmt>
        <EOYAmt>91495</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>WE REPRESENT THE OKLAHOMA CHAPTER OF SWANA (SOLID WASTE ASSOCIATION OF NORTH AMERICA). OUR PRIMARY GOAL IS TO PROMOTE AND ADVANCE THE SOLID WASTE MANAGEMENT PROFESSION IN OKLAHOMA. TO ACHIEVE THIS, WE ORGANIZE THE STATE'S LEADING ANNUAL SOLID WASTE CONFERENCE AND TRADE SHOW, OFFER TECHNICAL TRAINING COURSES, AND FACILITATE NETWORKING AND INFORMATION EXCHANGE AMONG OUR MEMBERS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>ANNUAL CONFERENCE-OUR ANNUAL CONFERENCE IS A BEACON FOR WASTE MANAGEMENT PROFESSIONALS SEEKING TO STAY ABREAST OF INDUSTRY TRENDS AND DEEPEN THEIR KNOWLEDGE. THE CONFERENCE COVERS A WIDE RANGE OF TOPICS, FROM THE LATEST INNOVATIONS AND BEST PRACTICES TO DISCUSSIONS ON SUSTAINABILITY, TECHNOLOGY, AND REGULATORY UPDATES. ATTENDEES CAN ENGAGE IN WASTE-TO-ENERGY (WEP) TRAINING SESSIONS, EXPLORING THE CUTTING EDGE OF WASTE CONVERSION AND ITS ENVIRONMENTAL IMPLICATIONS, ENSURING THEY ARE ALWAYS AT THE FOREFRONT OF INDUSTRY KNOWLEDGE.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>60506</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>60506</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GREG VANCE</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHRIS KNIGHT</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEANETTE NANCE</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MATT FAULKNER</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KAYLEE DANESHMAND</PersonNm>
        <TitleTxt>YOUNG PROF L</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRITTANY EAGLESTON</PersonNm>
        <TitleTxt>MUNI MARKETI</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KEIMA KAMARA</PersonNm>
        <TitleTxt>OSU LIAISON</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHUCK RALLS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PATRICK RILEY</PersonNm>
        <TitleTxt>REGULATORY L</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JERRY SCHUBER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TIM STEPHENS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JERRY SUMMERS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>OK</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>THE ORGANIZATION</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 3112</AddressLine1Txt>
          <CityNm>OKLAHOMA CITY</CityNm>
          <StateAbbreviationCd>OK</StateAbbreviationCd>
          <ZIPCd>73101</ZIPCd>
        </USAddress>
        <PhoneNum>4058311771</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc3">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus3YearsAmt>5028</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>5028</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus2YearsAmt>65405</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>61809</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>71795</CurrentTaxYearAmt>
        <TotalAmt>199009</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus3YearsAmt>5028</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65405</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>61809</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>71795</CurrentTaxYearAmt>
        <TotalAmt>204037</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>204037</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus3YearsAmt>5028</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65405</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>61809</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>71795</CurrentTaxYearAmt>
        <TotalAmt>204037</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING 196 BANK SERVICE CHARGES 1,939 COMPUTER EXPENSES 370 CONFERENCE EXPENSES 51,692 CREDIT CARD PROCESSING FE 10 MEALS &amp; ENTERTAINMENT 168 OFFICE EXPENSES 3,816 SUPPLIES 37 TRAVEL 30 WEBSITE EXPENSES 2,248 TOTAL 60,506</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20</FormAndLineReferenceDesc>
        <ExplanationTxt>RECONCILIATION DIFFERENCES -1,039</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>WE REPRESENT THE OKLAHOMA CHAPTER OF SWANA (SOLID WASTE ASSOCIATION OF NORTH AMERICA). OUR PRIMARY GOAL IS TO PROMOTE AND ADVANCE THE SOLID WASTE MANAGEMENT PROFESSION IN OKLAHOMA. TO ACHIEVE THIS, WE ORGANIZE THE STATE'S LEADING ANNUAL SOLID WASTE CONFERENCE AND TRADE SHOW, OFFER TECHNICAL TRAINING COURSES, AND FACILITATE NETWORKING AND INFORMATION EXCHANGE AMONG OUR MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL CONFERENCE-OUR ANNUAL CONFERENCE IS A BEACON FOR WASTE MANAGEMENT PROFESSIONALS SEEKING TO STAY ABREAST OF INDUSTRY TRENDS AND DEEPEN THEIR KNOWLEDGE. THE CONFERENCE COVERS A WIDE RANGE OF TOPICS, FROM THE LATEST INNOVATIONS AND BEST PRACTICES TO DISCUSSIONS ON SUSTAINABILITY, TECHNOLOGY, AND REGULATORY UPDATES. ATTENDEES CAN ENGAGE IN WASTE-TO-ENERGY (WEP) TRAINING SESSIONS, EXPLORING THE CUTTING EDGE OF WASTE CONVERSION AND ITS ENVIRONMENTAL IMPLICATIONS, ENSURING THEY ARE ALWAYS AT THE FOREFRONT OF INDUSTRY KNOWLEDGE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>