﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-14T18:04:21-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>820486077</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>POSTON DENNEY &amp; KILLPACK PLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>3400 MERLIN DR</AddressLine1Txt>
        <CityNm>IDAHO FALLS</CityNm>
        <StateAbbreviationCd>ID</StateAbbreviationCd>
        <ZIPCd>83404</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>814715541</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE MELALEUCA MUSEUM FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MELA</BusinessNameControlTxt>
      <USAddress>
        <AddressLine1Txt>4609 WEST 65TH SOUTH</AddressLine1Txt>
        <CityNm>IDAHO FALLS</CityNm>
        <StateAbbreviationCd>ID</StateAbbreviationCd>
        <ZIPCd>83402</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>RICHARD DYER</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <SignatureDt>2024-11-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KEVIN KILLPACK</PreparerPersonNm>
      <PTIN>P00145746</PTIN>
      <PhoneNum>2085220886</PhoneNum>
      <PreparationDt>2024-11-14</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990PF documentId="RetDoc5">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>2648526</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>50000</ContriRcvdRevAndExpnssAmt>
        <TotalRevAndExpnssAmt>50000</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>0</TotalNetInvstIncmAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="RetDoc2">2250</AccountingFeesRevAndExpnssAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="RetDoc4">704</OtherExpensesRevAndExpnssAmt>
        <OtherExpensesDsbrsChrtblAmt>705</OtherExpensesDsbrsChrtblAmt>
        <TotOprExpensesRevAndExpnssAmt>2954</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>0</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>705</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>0</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>0</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>2954</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>705</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>47046</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>27691</CashBOYAmt>
        <CashEOYAmt>39237</CashEOYAmt>
        <CashEOYFMVAmt>39237</CashEOYFMVAmt>
        <OtherAssetsBOYAmt referenceDocumentId="RetDoc3">2573789</OtherAssetsBOYAmt>
        <OtherAssetsEOYAmt referenceDocumentId="RetDoc3">2609289</OtherAssetsEOYAmt>
        <OtherAssetsEOYFMVAmt referenceDocumentId="RetDoc3">2609289</OtherAssetsEOYFMVAmt>
        <TotalAssetsBOYAmt>2601480</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>2648526</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>2648526</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <RetainedEarningBOYAmt>2601480</RetainedEarningBOYAmt>
        <RetainedEarningEOYAmt>2648526</RetainedEarningEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>2601480</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>2648526</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>2601480</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>2648526</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>2601480</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>47046</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>2648526</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>2648526</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>0</InvestmentIncomeExciseTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>ID</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>true</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
        <IndividualWithBooksNm>RICHARD DYER</IndividualWithBooksNm>
        <PhoneNum>2085220700</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>4609 WEST 65TH SOUTH</AddressLine1Txt>
          <CityNm>IDAHO FALLS</CityNm>
          <StateAbbreviationCd>ID</StateAbbreviationCd>
          <ZIPCd>83402</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>J ANDREW LAW</PersonNm>
          <USAddress>
            <AddressLine1Txt>4609 WEST 65TH SOUTH</AddressLine1Txt>
            <CityNm>IDAHO FALLS</CityNm>
            <StateAbbreviationCd>ID</StateAbbreviationCd>
            <ZIPCd>83402</ZIPCd>
          </USAddress>
          <TitleTxt>PRESIDENT</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>RICHARD DYER</PersonNm>
          <USAddress>
            <AddressLine1Txt>4609 WEST 65TH SOUTH</AddressLine1Txt>
            <CityNm>IDAHO FALLS</CityNm>
            <StateAbbreviationCd>ID</StateAbbreviationCd>
            <ZIPCd>83402</ZIPCd>
          </USAddress>
          <TitleTxt>TREASURER</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>THE PURPOSE FOR WHICH THE FOUNDATION IS ORGANIZED IS TO OPERATE A MUSEUM TO EDUCATE THE PUBLIC ON THE HISTORY OF U.S. AGRICULTURE AND INDUSTRY OF EASTERN AND SOUTHEASTERN IDAHO.</Description1Txt>
        <Expenses1Amt>1</Expenses1Amt>
      </SummaryOfDirectChrtblActyGrp>
      <SumOfProgramRelatedInvstGrp>
        <Description1Txt>N/A</Description1Txt>
      </SumOfProgramRelatedInvstGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>0</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>35198</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>35198</TotalFMVOfUnusedAssetsAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>35198</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>528</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>34670</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>1734</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <Sect4942j3j5FndtnAndFrgnOrgInd>X</Sect4942j3j5FndtnAndFrgnOrgInd>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>705</ExpensesAndContributionsAmt>
        <CharitableAssetsAcquisPaidAmt>35500</CharitableAssetsAcquisPaidAmt>
        <QualifyingDistributionsAmt>36205</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <QualifyingDistributionsAmt>36205</QualifyingDistributionsAmt>
        <RemainingDistriFromCorpusAmt>36205</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>36205</TotalCorpusAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp>
        <PrivateOperatingFndtnRulingDt>2019-08-29</PrivateOperatingFndtnRulingDt>
        <Section4942j3Ind>X</Section4942j3Ind>
        <LessorAdjNetIncmMinInvstRetGrp>
          <CurrentYearAmt>0</CurrentYearAmt>
          <TotalAmt>0</TotalAmt>
        </LessorAdjNetIncmMinInvstRetGrp>
        <QualifyingDistributionsGrp>
          <CurrentYearAmt>36205</CurrentYearAmt>
          <Year1Amt>50684</Year1Amt>
          <Year2Amt>194255</Year2Amt>
          <Year3Amt>4084</Year3Amt>
          <TotalAmt>285228</TotalAmt>
        </QualifyingDistributionsGrp>
        <QualifyingDistriMadeDrtGrp>
          <CurrentYearAmt>36205</CurrentYearAmt>
          <Year1Amt>50684</Year1Amt>
          <Year2Amt>194255</Year2Amt>
          <Year3Amt>4084</Year3Amt>
          <TotalAmt>285228</TotalAmt>
        </QualifyingDistriMadeDrtGrp>
        <TotalAssetsGrp>
          <Year2Amt>2418593</Year2Amt>
          <Year3Amt>2355400</Year3Amt>
          <TotalAmt>4773993</TotalAmt>
        </TotalAssetsGrp>
        <TotalAssetsSect4942j3BiGrp>
          <Year2Amt>2394654</Year2Amt>
          <Year3Amt>2329927</Year3Amt>
          <TotalAmt>4724581</TotalAmt>
        </TotalAssetsSect4942j3BiGrp>
        <TwoThirdsMinimumInvstRetGrp>
          <CurrentYearAmt>1156</CurrentYearAmt>
          <Year1Amt>921</Year1Amt>
          <Year2Amt>798</Year2Amt>
          <TotalAmt>2875</TotalAmt>
        </TwoThirdsMinimumInvstRetGrp>
      </PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
      </SupplementaryInformationGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <IRS990ScheduleB documentId="RetDoc1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorPersonNm>MELALEUCA INC</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>4609 WEST 65TH SOUTH</AddressLine1Txt>
          <CityNm>IDAHO FALLS</CityNm>
          <StateAbbreviationCd>ID</StateAbbreviationCd>
          <ZIPCd>83402</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>50000</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <AccountingFeesSchedule documentId="RetDoc2">
      <AccountingFeesDetail>
        <CategoryTxt>INDIRECT ACCOUNTING FEES</CategoryTxt>
        <Amt>2250</Amt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <OtherAssetsSchedule documentId="RetDoc3">
      <OtherAssetsScheduleGrp>
        <Desc>DISPLAY ASSETS</Desc>
        <BOYBookValueAmt>2573789</BOYBookValueAmt>
        <EOYBookValueAmt>2609289</EOYBookValueAmt>
        <EOYFMVAmt>2609289</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="RetDoc4">
      <OtherExpensesScheduleGrp>
        <Desc>EXPENSES</Desc>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BANK FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>704</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>705</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
  </ReturnData>
</Return>