﻿<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2023v5.0" xmlns="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-05-05T00:06:09Z</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>313814010</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>OVERSEAS CHINESE PHYSICS ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>OVER</BusinessNameControlTxt>
      <PhoneNum>2126506884</PhoneNum>
      <USAddress>
        <AddressLine1Txt>160 CONVENT AVE</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>100319101</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Albert M Chang</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>2126506884</PhoneNum>
      <SignatureDt>2024-05-04</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="SIMPLE990" documentName="IRS990EZ" referenceDocumentName="IRS990ScheduleO ReasonableCauseExplanation TransfersPersonalBenefitsContractsDeclaration BinaryAttachment">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501c3Ind referenceDocumentId="ScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationOtherInd>X</TypeOfOrganizationOtherInd>
      <GrossReceiptsAmt>16536</GrossReceiptsAmt>
      <ContributionsGiftsGrantsEtcAmt>11000</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>5536</InvestmentIncomeAmt>
      <TotalRevenueAmt>16536</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>10433</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>503</OtherExpensesTotalAmt>
      <TotalExpensesAmt>10936</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>5600</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>313699</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>63400</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>382699</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>313699</BOYAmt>
        <EOYAmt>382699</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>313699</BOYAmt>
        <EOYAmt>382699</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>313699</BOYAmt>
        <EOYAmt>382699</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>To promote the recognition of the achievement of Chinese-American and ethnic Chinese research physicists with the Outstanding Young Research Award, the Achievement in Asia Award or exceptional contributions in theoretical and experimental physics, the Outstanding Dissertation Award, and the best poster awards.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Achievement in Asia Award (6 recipients)</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>6000</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Outstanding Dissertation Award (2 recipients)</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>833</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Contribution to American Physical Society March Meeting Forum for International Physics Reception</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>600</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Outstanding Young Researcher Award (Ardentec Prize; 1 recipeint)</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>3000</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>10433</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Prof Jonathn L Feng</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Prof Lei Bao</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Prof Vincent Liu</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Prof Albert M Chang</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd referenceDocumentName="IRS990ScheduleN BinaryAttachment">false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd referenceDocumentName="IRS990ScheduleL">false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>Albert M Chang</PersonNm>
        <USAddress>
          <AddressLine1Txt>Department of Physics</AddressLine1Txt>
          <AddressLine2Txt>Duke University</AddressLine2Txt>
          <CityNm>Durham</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27708</ZIPCd>
        </USAddress>
        <PhoneNum>9196602596</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentName="IRS990ScheduleC">false</LobbyingActivitiesInd>
      <SchoolOperatingInd referenceDocumentName="IRS990ScheduleE">false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <OtherEmployeePaidOver100kCnt>0</OtherEmployeePaidOver100kCnt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="ScheduleA" documentName="IRS990ScheduleA">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <SupportedOrganizationsCnt>0</SupportedOrganizationsCnt>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>4000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>12000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11000</CurrentTaxYearAmt>
        <TotalAmt>42000</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>4000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>12000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11000</CurrentTaxYearAmt>
        <TotalAmt>42000</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>42000</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>4079</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3696</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3884</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4544</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5536</CurrentTaxYearAmt>
        <TotalAmt>21739</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>63739</TotalSupportAmt>
      <PublicSupportCY170Pct>0.65890</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.64550</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="ScheduleO" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ lin 16 Other expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>Domestic Incoming Wire Fee: $15 Wire transfer fee for Award winners (6 recipients): $240 Currency exchange conversion loss due to inadvertent recipient account information error (plus wire transfer fee incurred): Outgoing amount USD$1,000.00, returning amount $971.80: Loss $28.20 Wire transfer fee: $40.00 Simple 990 electronic tax filing fees (for 2021 and 2022 tax years): $180.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-ez line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>For giving Achievement in Asia Award (Robert T. Poe Prize) (six recipient) $6,000.00 For giving Outstanding Young Researcher Award (Ardentec Prize) (one recipient) $3,000.00 For giving Outstanding Dissertation Award (two recipients) $833.33 For contributing to the cost of the American Physical Society 2023 March Meeting FIP Reception $600.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-ez line 20 Othe changes in net assets or fund balance</FormAndLineReferenceDesc>
        <ExplanationTxt>Total value of Vanguard Funds (12/31/2022) $278,738.74 Total value of Vanguard Funds (12/31/2023) $347,674.40 Of which Dividend in 2023: $ 5,536.04 Capital gain in 2023: $63,399.62 Total value of Chase Bank Account (12/31/2022) $34,961.20 Total value of Chase Bank Account (12/31/2023) $35,024.67 Gain in 2023: $ 63.47</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>