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    <ReturnTs>2026-05-15T16:56:36-05:00</ReturnTs>
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    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>810707606</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>LONIN LEAGUE</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% FRASER MENDEL</InCareOfNm>
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      <PhoneNum>2063956903</PhoneNum>
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        <AddressLine1Txt>6532 CALIFORNIA AVE SW STE 216</AddressLine1Txt>
        <CityNm>SEATTLE</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>98136</ZIPCd>
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      <PersonTitleTxt>DIRECTOR</PersonTitleTxt>
      <PhoneNum>2063956903</PhoneNum>
      <SignatureDt>2026-05-15</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <PrimaryExemptPurposeTxt>LONIN LEAGUE OPERATES AN EDUCATIONAL FACILITY</PrimaryExemptPurposeTxt>
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        <DescriptionProgramSrvcAccomTxt>LONIN LEAGUE OPERATES AN EDUCATIONAL FACILITY WHERE MEMBERS CAN STUDY HISTORICAL MARTIAL ARTS</DescriptionProgramSrvcAccomTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ALEX HANNING</PersonNm>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOHN LONGENBAUGH</PersonNm>
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        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BETH HAMMER</PersonNm>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JUSTIN BEECHER</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ERIK VON ESSEN</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JAMES HSU</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SHANNA ZAK</PersonNm>
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      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
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      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
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        <CurrentTaxYearMinus1YearAmt>125536</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>151116</CurrentTaxYearAmt>
        <TotalAmt>350574</TotalAmt>
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      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
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          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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    <IRS990ScheduleO documentId="IRS990ScheduleO-213-Copy1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Advertising and promotion $2073.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Conferences, conventions, and meetings $1050.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Insurance $1814.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Bank Service Charges $4850.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Facility Furnishings $10308.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Lonin Club Gear $7359.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>SQ Vendor $8456.00</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V Line 34</FormAndLineReferenceDesc>
        <ExplanationTxt>Lonin League adopted new Bylaws for the organization</ExplanationTxt>
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</Return>