<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2022v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-01-16T11:12:09-06:00</ReturnTs>
    <TaxPeriodEndDt>2023-08-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>411360831</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>OLSEN THIELEN &amp; CO LTD</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2675 LONG LAKE ROAD</AddressLine1Txt>
        <CityNm>ST PAUL</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55113</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2022-09-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>461909493</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>JEFFERSON BOYS LACROSSE ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>JEFF</BusinessNameControlTxt>
      <PhoneNum>6128608478</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 385222</AddressLine1Txt>
        <CityNm>BLOOMINGTON</CityNm>
        <StateAbbreviationCd>MN</StateAbbreviationCd>
        <ZIPCd>55438</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KRIS WAMMER</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>6128608478</PhoneNum>
      <SignatureDt>2023-12-21</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>KRIS</PersonFirstNm>
        <PersonLastNm>WAMMER</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>RYAN VETTRUS CPA</PreparerPersonNm>
      <PTIN>P01243596</PTIN>
      <PhoneNum>6514834521</PhoneNum>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>2</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2022</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.JEFFERSONBOYSLACROSSE.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>91566</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>21138</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>65640</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>9</InvestmentIncomeAmt>
      <SpecialEventsDirectExpensesAmt>100</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>-100</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>4779</OtherRevenueTotalAmt>
      <TotalRevenueAmt>91466</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>500</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>1500</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>94983</OtherExpensesTotalAmt>
      <TotalExpensesAmt>96983</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-5517</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>14010</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>8493</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>13907</BOYAmt>
        <EOYAmt>8390</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>103</BOYAmt>
        <EOYAmt>103</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>14010</BOYAmt>
        <EOYAmt>8493</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>14010</BOYAmt>
        <EOYAmt>8493</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE JEFFERSON BOYS LACROSSE ASSOCIATION WAS FORMED TO PROMOTE AND SUPPORT FINANCIALLY, THROUGH FUNDRAISING AND FEES, THE DEVELOPMENT AND GROWTH OF THE SPORT OF LACROSSE AT JEFFERSON HIGH SCHOOL IN BLOOMINGTON, MINNESOTA. THE JEFFERSON BOYS LACROSSE ASSOCIATION ALSO HELPS TO PROMOTE AND DEVELOP, THROUGH THE BOY'S HIGH SCHOOL LACROSSE PROGRAM, THE KNOWLEDGE OF THE RULES AND SKILLS OF LACROSSE, THE QUALITY OF SPORTSMANSHIP, TEAMWORK, AND RESPECT FOR COACHES, OFFICIALS, AND PLAYERS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE JEFFERSON BOYS LACROSSE BOOSTER CLUB SPONSORED TWO TEAMS AND 40+ BOYS WITH TRAINING, COMPETITION, AND EDUCATION ON SPORTSMANSHIP. THE BOOSTER CLUB ORGANIZED TRAINING DURING THE WINTER SEASON AND EVENTS DURING THE SEASON INCLUDING AN END-OF-YEAR BANQUET. THE BOOSTER CLUB ALSO COORDINATED FUNDRAISERS AT VARIOUS TIMES THROUGHOUT THE YEAR TO SUPPORT THE JEFFERSON HIGH SCHOOL BOYS LACROSSE TEAM, SALARIES FOR COACHES, AND SUPPLIES NECESSARY FOR ALL PROGRAM ASPECTS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>93813</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>93813</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFF BAKER</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STACY ACKETZ</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KRIS WAMMER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MN</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>THE ORGANIZATION</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 385222</AddressLine1Txt>
          <CityNm>BLOOMINGTON</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55438</ZIPCd>
        </USAddress>
        <PhoneNum>6128608478</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>71340</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>64856</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23064</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>68577</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>86778</CurrentTaxYearAmt>
        <TotalAmt>314615</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>24934</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>15696</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1132</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1275</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4779</CurrentTaxYearAmt>
        <TotalAmt>47816</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>96274</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>80552</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>24196</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>69852</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>91557</CurrentTaxYearAmt>
        <TotalAmt>362431</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>362431</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>3</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>24</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9</CurrentTaxYearAmt>
        <TotalAmt>41</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>3</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>24</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9</CurrentTaxYearAmt>
        <TotalAmt>41</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>96277</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>80576</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>24198</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>69855</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>91566</CurrentTaxYearAmt>
        <TotalAmt>362472</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99990</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99910</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00010</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00090</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST INCOME. AMOUNT: 9.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8 - OTHER REVENUE</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: APPAREL SALES. AMOUNT: 3,880. DESCRIPTION: OTHER INCOME. AMOUNT: 899. TOTAL TO FORM 990-EZ, LINE 8: 4,779.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: COACHING. AMOUNT: 14,899. DESCRIPTION: WINTER LEAGUES, TOURNAMENTS &amp; SPRING TRIP. AMOUNT: 48,312. DESCRIPTION: ADMINISTRATION EXPENSES. AMOUNT: 2,670. DESCRIPTION: CLOTHING/HELMETS/EQUIPMENT. AMOUNT: 25,194. DESCRIPTION: BANQUET. AMOUNT: 1,193. DESCRIPTION: TAXES AND LICENSES. AMOUNT: 544. DESCRIPTION: OTHER PROGRAM EXPENSES. AMOUNT: 1,796. DESCRIPTION: PHOTOGRAPHY. AMOUNT: 375. TOTAL TO FORM 990-EZ, LINE 16: 94,983.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24 - OTHER ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: OTHER CURRENT ASSETS. BEG. OF YEAR AMOUNT: 103. END OF YEAR AMOUNT: 103.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>
