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        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER L YOVAN</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>62717</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>62717</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>177202</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>177202</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEETING AND CONFERENCE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>52985</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>52985</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBER SERVICE FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>36270</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>36270</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>266457</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>427</TotalRevenueColumnAmt>
        <ExclusionAmt>427</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>266884</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>266457</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>427</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>62717</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
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        <TotalAmt>1878</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>3364</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2475</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>8296</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>17508</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>3150</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>14779</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>207</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>47479</TotalAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>82873</TotalAmt>
      </InsuranceGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>244726</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>292362</BOYAmt>
        <EOYAmt>309087</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>310950</BOYAmt>
        <EOYAmt>311377</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <TotalAssetsGrp>
        <BOYAmt>603312</BOYAmt>
        <EOYAmt>620464</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>5154</BOYAmt>
        <EOYAmt>148</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>5154</BOYAmt>
        <EOYAmt>148</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>598158</BOYAmt>
        <EOYAmt>620316</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>598158</BOYAmt>
        <EOYAmt>620316</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>603312</BOYAmt>
        <EOYAmt>620464</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>22158</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SECTION 1.263(A)-1(F) DE MINIMIS SAFE HARBOR ELECTION</FormAndLineReferenceDesc>
        <ExplanationTxt>NATIONAL ASSOCIATION OF MARINE SURVEYORS INC 17049 EL CAMINO REAL, STE 208 HOUSTON, TX 77058 EMPLOYER IDENTIFICATION NUMBER: 13-6147835 FOR THE YEAR ENDING DECEMBER 31, 2023 NATIONAL ASSOCIATION OF MARINE SURVEYORS INC IS MAKING THE DE MINIMIS SAFE HARBOR ELECTION UNDER REG. SEC. 1.263(A)-1(F).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE TREASURER AND PRESENTED TO THE GOVERNING BODY BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST BY TELEPHONE, E-MAIL OR MAIL.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>