<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2023v4.0" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-02-25T20:29:59-07:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>362669817</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>NORTH AMERICAN VEXILLOLOGICAL ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>NORT</BusinessNameControlTxt>
      <PhoneNum>5032234660</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO Box 55071 58049</AddressLine1Txt>
        <CityNm>Boston</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>022055071</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>James J Ferrigan III</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>5032234660</PhoneNum>
      <SignatureDt>2024-02-25</SignatureDt>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>James J Ferrigan</PersonFirstNm>
        <PersonLastNm>III</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>1</TrustedCustomerCd>
        <OOBSecurityVerificationCd>11</OOBSecurityVerificationCd>
        <LastSubmissionRqrOOBCd>0</LastSubmissionRqrOOBCd>
        <AuthenticationAssuranceLevelCd>AAL2</AuthenticationAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="R000001" referenceDocumentId="R000003" softwareId="23018249" softwareVersionNum="v1.00">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>www.nava.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="R000002">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>72336</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>4572</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>28907</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>35740</MembershipDuesAmt>
      <InvestmentIncomeAmt>1123</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt fndrsngEventContriPrevRptAmt="0">0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>1994</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>1994</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueAmt>72336</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>0</GrantsAndSimilarAmountsPaidAmt>
      <BenefitsPaidToOrForMembersAmt>0</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>0</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>9469</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>0</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>24460</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>24678</OtherExpensesTotalAmt>
      <TotalExpensesAmt>58607</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>13729</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>23549</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>37278</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>42859</BOYAmt>
        <EOYAmt>61737</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>331</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>43190</BOYAmt>
        <EOYAmt>61737</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>19641</BOYAmt>
        <EOYAmt>24459</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>23549</BOYAmt>
        <EOYAmt>37278</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Flag studies (vexillology).</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Publish flag-related publications for members and the general public. "Raven: A Journal of Vexillology", and "Vexillum . These reach over 1,100 members and kindred organizations, plus thousands more through public access.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>27074</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Conduct and annual conference for members, including scholarly presentations, tours, workshops, and meetings, plus an event open to the public. The 2023 meeting (held in person and virtually) served over 150 members and guests.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>18903</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide member services through a dynamic website including organizational information, access to back publications, a membership directory, and extensive flag-related resources; a monthly e-mail newsletter; weekly informational e-mails; and a grants program supporting scholarships, research, and conservation.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>12630</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>58607</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Stanely K Contrades</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Amber D V Atteberry</PersonNm>
        <TitleTxt>1st VP</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>4</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Steven C Wheatley</PersonNm>
        <TitleTxt>2nd VP</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>James J Ferrigan III</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Edward B Kaye</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>16</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>0</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>James J Ferrigan III Treasurer</PersonNm>
        <USAddress>
          <AddressLine1Txt>1615 Phillips St</AddressLine1Txt>
          <CityNm>Reno</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>895093623</ZIPCd>
        </USAddress>
        <PhoneNum>5032234660</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>0</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="R000002" softwareId="23018249" softwareVersionNum="v1.00">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>21491</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>25318</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>33521</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>35179</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>40312</CurrentTaxYearAmt>
        <TotalAmt>155821</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>1887</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4177</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3920</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>18381</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>30901</CurrentTaxYearAmt>
        <TotalAmt>59266</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>23378</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>29495</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>37441</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>53560</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>71213</CurrentTaxYearAmt>
        <TotalAmt>215087</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>215087</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>353</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>282</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>66</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1123</CurrentTaxYearAmt>
        <TotalAmt>1824</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>353</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>282</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>66</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1123</CurrentTaxYearAmt>
        <TotalAmt>1824</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>23731</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>29777</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>37441</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>53626</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>72336</CurrentTaxYearAmt>
        <TotalAmt>216911</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99159</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99619</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00841</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00381</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsPY509Ind>X</ThirtyThrPctSuprtTestsPY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="R000003" softwareId="23018249" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Other expenses primarily comprise the costs of the organization's Annual Meeting, plus bank fees, supplies, and special projects.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part II, Line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Liabilities consist of Deferred revenue and Grants payable.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
