﻿<?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="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-01-15T13:47:21-06:00</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>161071694</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SCIARABBA WALKER &amp; CO LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>410 EAST UPLAND ROAD</AddressLine1Txt>
        <CityNm>ITHACA</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>14850</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>136125340</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE CORNELL DELTA UPSILON ASSOC INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>CORN</BusinessNameControlTxt>
      <PhoneNum>6072725550</PhoneNum>
      <USAddress>
        <AddressLine1Txt>CO SCIARABBA WALKER 410 E UPLAND</AddressLine1Txt>
        <CityNm>ITHACA</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>14850</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DUANE PHILLIPS</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>6072725550</PhoneNum>
      <SignatureDt>2025-02-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KATHLEEN M TORELLO</PreparerPersonNm>
      <PTIN>P01327438</PTIN>
      <PhoneNum>6072725550</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.CORNELLDU.ORG</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="7">X</Organization501cInd>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>17296</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <MembershipDuesAmt>14450</MembershipDuesAmt>
      <InvestmentIncomeAmt>2753</InvestmentIncomeAmt>
      <OtherRevenueTotalAmt>93</OtherRevenueTotalAmt>
      <TotalRevenueAmt>17296</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>7320</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>3151</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>10963</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>22246</OtherExpensesTotalAmt>
      <TotalExpensesAmt>43680</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-26384</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>93796</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-9</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>67403</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>85209</BOYAmt>
        <EOYAmt>47009</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>11365</BOYAmt>
        <EOYAmt>20515</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>96574</BOYAmt>
        <EOYAmt>67524</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>2778</BOYAmt>
        <EOYAmt>121</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>93796</BOYAmt>
        <EOYAmt>67403</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO PROVIDE HOUSING TO UNDERGRADUATE FRATERNITY, AND FELLOWSHIP, ACTIVITIES AND INFORMATION TO ALUMNI MEMBERS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TO PROVIDE HOUSING TO UNDERGRADUATE FRATERNITY, AND FELLOWSHIP, ACTIVITIES AND INFORMATION TO ALUMNI MEMBERS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BOB STRAKA</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK KAMON</PersonNm>
        <TitleTxt>PRESIDENT EMERITUS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK MERILA</PersonNm>
        <TitleTxt>VP COMMUNICATIONS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DUANE PHILLIPS</PersonNm>
        <TitleTxt>VP, TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DOUG PORTER</PersonNm>
        <TitleTxt>VP FUNDRAISING</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK CLEMENTE</PersonNm>
        <TitleTxt>VP COUNSEL</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CAL FASTUCA</PersonNm>
        <TitleTxt>VP PHILANTHROPY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>1</OrganizationHadUBIInd>
      <OrganizationFiled990TInd>1</OrganizationFiled990TInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <InitiationFeesAndCapContriAmt>0</InitiationFeesAndCapContriAmt>
      <GrossReceiptsForPublicUseAmt>0</GrossReceiptsForPublicUseAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>SCIARABBA WALKER &amp; CO</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>410 EAST UPLAND ROAD</AddressLine1Txt>
          <CityNm>ITHACA</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14850</ZIPCd>
        </USAddress>
        <PhoneNum>6072725550</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
    </IRS990EZ>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST. AMOUNT: 139. DESCRIPTION: DIVIDEND INCOME. AMOUNT: 551. DESCRIPTION: GAIN ON STOCK. AMOUNT: 2,063. TOTAL INCLUDED ON FORM 990-EZ, LINE 4: 2,753.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8 - OTHER REVENUE</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: PRIOR YEAR. AMOUNT: 23. DESCRIPTION: MISCELLANEOUS INCOME. AMOUNT: 70. TOTAL TO FORM 990-EZ, LINE 8: 93.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: RETREAT EXPENSE. AMOUNT: 316. DESCRIPTION: AIFC DUES. AMOUNT: 300. DESCRIPTION: ADMIN. AMOUNT: 12. DESCRIPTION: NEW YORK STATE CORP TAX. AMOUNT: 250. DESCRIPTION: DU HISTORY- ARCHIVAL. AMOUNT: 272. DESCRIPTION: PRIOR YEAR EXPENSE. AMOUNT: 134. DESCRIPTION: COMPUTER/WEB. AMOUNT: 63. DESCRIPTION: BANK-CREDIT CARD FEES. AMOUNT: 391. DESCRIPTION: ALUMNI COMMUNICATIONS. AMOUNT: 269. DESCRIPTION: FACILITY MANAGEMENT. AMOUNT: 20,060. DESCRIPTION: BANK SERVICE CHARGES. AMOUNT: 170. DESCRIPTION: FEDERAL TAX. AMOUNT: 9. TOTAL TO FORM 990-EZ, LINE 16: 22,246.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20 - OTHER CHANGES IN NET ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: UNREALIZED LOSSES. AMOUNT: -9.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24 - OTHER ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: LEGAL RETAINER. BEG. OF YEAR AMOUNT: 1,000. END OF YEAR AMOUNT: 0. DESCRIPTION: DUE FROM MEMBER. BEG. OF YEAR AMOUNT: 10,365. END OF YEAR AMOUNT: 19,265. DESCRIPTION: DUE FROM DKE. BEG. OF YEAR AMOUNT: 0. END OF YEAR AMOUNT: 1,250.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26 - OTHER LIABILITIES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: ACCT PAYABLE. BEG. OF YEAR AMOUNT: 2,778. END OF YEAR AMOUNT: 71. DESCRIPTION: DUE TO CHAPTER. BEG. OF YEAR AMOUNT: 0. END OF YEAR AMOUNT: 50.</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>