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        <AdministrativeExpensesAmt>6789</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>1286425</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>882329</BeginningYearBalanceAmt>
        <ContributionsAmt>75574</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>120884</InvestmentEarningsOrLossesAmt>
        <AdministrativeExpensesAmt>5194</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>1073593</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>627212</BeginningYearBalanceAmt>
        <ContributionsAmt>144635</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>114922</InvestmentEarningsOrLossesAmt>
        <AdministrativeExpensesAmt>4440</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>882329</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.65501</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.26944</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.07555</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>90955</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>63163</DepreciationAmt>
        <BookValueAmt>27792</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>27792</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>2874345</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>385255</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>385255</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>2489090</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>34732</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>34732</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>2523822</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2404043</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2404043</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>34732</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>34732</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2438775</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS OF DECEMBER 31, 2023, THE COUNCIL HAD DESIGNATED $907,451 OF NET ASSETS WITHOUT DONOR RESTRICTIONS AS A GENERAL ENDOWMENT FUND TO SUPPORT EDUCATIONAL AWARDS AND SCHOLARSHIPS IN THE FIELD OF TOXICOLOGY. SINCE THAT AMOUNT RESULTED FROM AN INTERNAL DESIGNATION AND IS NOT DONOR-RESTRICTED, IT IS CLASSIFIED AND REPORTED AS NET ASSETS WITHOUT DONOR RESTRICTIONS. THE ASSOCIATION'S ENDOWMENT FUND ALSO CONSISTS OF DONOR-RESTRICTED FUNDS DONATED TO THE ASSOCIATION. THE INVESTMENT INCOME IS TO BE USED TO FUND STUDENT SCHOLARSHIP AND AWARDS PROGRAMS. THE BALANCE OF THE DONOR-RESTRICTED ENDOWMENT FUNDS AS OF DECEMBER 31, 2023 WAS $477,947.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS OR THAT WOULD HAVE AN EFFECT ON ITS TAX-EXEMPT STATUS. THERE WERE NO UNRECOGNIZED TAX BENEFITS OR LIABILITIES REQUIRED TO BE RECORDED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS AND TRAVEL REIMBURSEMENTS TO RECIPIENTS</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL MEETING AND AWARDS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>6087</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SUB-SAHARAN AFRICA - ANGOLA, BENIN, BOTSWANA, BURKINA FASO,</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS AND TRAVEL REIMBURSEMENTS TO RECIPIENTS</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL MEETING AND AWARDS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>4626</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS AND TRAVEL REIMBURSEMENTS TO RECIPIENTS</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL MEETING AND AWARDS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3566</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>14279</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>14279</TotalSpentAmt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL REIMBURSEMENTS TO ATTEND THE ANNUAL CONFERENCE.</TypeOfAssistanceTxt>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIU</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1423</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL REIMBURSEMENTS TO ATTEND THE ANNUAL CONFERENCE.</TypeOfAssistanceTxt>
        <RegionTxt>SUB-SAHARAN AFRICA - ANGOLA, BENIN, BOTSWANA, BURKINA FASO,</RegionTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>4626</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>TRAVEL GRANT RECIPIENTS USE THE ACT TRAVEL AGENT TO BOOK THEIR FLIGHTS, AND THE ATTENDEES' HOTEL ROOM CHARGES ARE BILLED DIRECTLY TO ACT. TRAVEL GRANT RECIPIENTS ARE PROVIDED A MEAL PER DIEM TO ASSIST WITH THE COST OF MEALS DURING THE DURATION OF THE MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <Total501c3OrgCnt>0</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NORTH AMERICAN GRADUATE FELLOWSHIP SCHOLARSHIP AWARD</GrantTypeTxt>
        <RecipientCnt>10</RecipientCnt>
        <CashGrantAmt>28200</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>MILDRED CHRISTIAN WOMEN'S LEADERSHIP AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>FURST AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL GRANT</GrantTypeTxt>
        <RecipientCnt>11</RecipientCnt>
        <CashGrantAmt>12762</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>DISTINGUISHED SCIENTIST AWARD IN TOXICOLOGY</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACT WORKS WITH THE FELLOWSHIP WINNER AND THE UNIVERSITY TO DISPERSE THE FUNDS. TYPICALLY THE FUNDS ARE SENT TO THE UNIVERSITY IN THE NAME OF THE STUDENT. THE FUNDS ARE APPLIED TO THE STUDENTS BALANCE WITH THE SCHOOL. IF THE STUDENT DOES NOT HAVE A BALANCE ON THEIR ACCOUNT AND THE STUDENT REQUESTS IT, ACT WILL DISPERSE THE FUNDS DIRECTLY TO THE FELLOWSHIP WINNER AND ISSUE THEM A 1099. GRANTS WILL BE AWARDED TO GRADUATE STUDENTS, POSTDOCTORAL FELLOWS, EARLY CAREER PROFESSIONALS, OR TOXICOLOGISTS RESIDING IN THE UNITED STATES. RECIPIENTS WILL RECEIVE WAIVED MEETING REGISTRATION, TRANSPORATION TO AND FROM THE MEETING, AND FOUR NIGHTS OF HOTEL ACCOMMODATIONS. NO MONITORING OF THE USE OF FUNDS IS CONSIDERED NECESSARY. ACT NORTH AMERICAN GRADUATE FELLOWSHIPS ($5,000 SCHOLARSHIP FOR ONE OR TWO YEARS AND TRAVEL REIMBURSEMENT TO ATTEND THE ANNUAL MEETING): THE AMERICAN COLLEGE OF TOXICOLOGY OFFERED THREE TWO-YEAR FELLOWSHIPS TO GRADUATE STUDENTS IN APPROVED TOXICOLOGY PROGRAMS IN NORTH AMERICA. RECEIPT OF THESE $5,000/YEAR FELLOWSHIPS REQUIRES: 1) SUCCESSFUL ACCEPTANCE INTO A PHD PROGRAM (2-YEAR AWARD) OR IN FINAL YEAR OF A TERMINAL MASTER'S PROGRAM (1-YEAR AWARD) IN THE FIELD OF TOXICOLOGY; 2) CURRICULUM VITAE; 3) A LETTER OF RECOMMENDATION (WHICH ALSO CERTIFIES ACADEMIC STANDING) FROM THE AFFILIATED INSTITUTION DESCRIBING HOW THE APPLICANT MERITS THE AWARD; 4) AN ESSAY (NO MORE THAN 500 WORDS) FROM THE APPLICANT DESCRIBING CAREER ASPIRATIONS; AND 5) ABSTRACT SUBMISSION AND POSTER PRESENTATION AT THE ACT ANNUAL MEETING IN NOVEMBER SUMMARIZING THE PROJECT WORK. THE APPLICATION PERIOD OPENS MARCH 1; THE SUBMISSION DEADLINE IS MAY 1. THE MILDRED CHRISTIAN LEADERSHIP AWARD RECOGNIZES WOMEN WHO MAKE A DIFFERENCE IN ADVANCING THE SCIENCE OF TOXICOLOGY, AND WHO HAVE ATTAINED RECOGNITION AS A GLOBAL LEADER IN THE FIELD. MINIMAL MONITORING IS REQUIRED. THE FURST AWARD RECOGNIZES THE MOST OUTSTANDING GRADUATE STUDENT POSTER PRESENTATION GIVEN DURING A SPECIAL POSTER JUDGING COMPETITION HELD SUNDAY EVENING DURING THE ANNUAL MEETING. THE RECIPIENT OF THE FURST AWARD RECEIVES $2,000 AND A PLAQUE. STUDENTS RECEIVING THE NORTH AMERICAN TRAVEL GRANTS AND INTERNATIONAL TRAVEL GRANTS ARE AUTOMATICALLY CONSIDERED IN THE COMPETITION FOR THIS AWARD. THE BEST PAPER PUBLISHED IN INTERNATIONAL JOURNAL OF TOXICOLOGY AWARD RECOGNIZES THE AUTHOR OF THE MOST OUTSTANDING MANUSCRIPT PUBLISHED IN THE COLLEGE'S OFFICIAL JOURNAL DURING THE MOST RECENT CALENDAR YEAR. THE AWARD IS PRESENTED ANNUALLY AND CONSISTS OF $1,000 AND A PLAQUE. THE ACT EDITORIAL BOARD CAREFULLY CONSIDERS ALL NOMINATIONS RECEIVED. NOMINATIONS OUTLINE THE IMPACT OF THE NOMINATED PAPER ON THE TOXICOLOGICAL SCIENCES AND OFFER AN EXPLANATION OF WHY THE PAPER IS DESERVING OF SPECIAL RECOGNITION. ELIGIBLE PAPERS ARE THOSE PUBLISHED EITHER ONLINE OR IN PRINT IN INTERNATIONAL JOURNAL OF TOXICOLOGY DURING THE PREVIOUS CALENDAR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>IN DECEMBER 2012, THE ASSOCIATION ENTERED INTO A GENERAL SERVICE AGREEMENT WITH ASSOCIATION INNOVATION AND MANAGEMENT, INC. ("AIM") TO MANAGE ITS BUSINESS AFFAIRS AND TO WORK TOGETHER IN ACHIEVING VARIOUS GOALS AND OBJECTIVES OF THE ASSOCIATION AND TO PROVIDE MANAGEMENT, ADMINISTRATION AND CONFERENCE SERVICES. AT THE EXPIRATION OF THE AGREEMENT, DECEMBER 31, 2018, AND EACH SUBSEQUENT YEAR, THE CONTRACT SHALL EXTEND FOR ANOTHER YEAR, UNLESS EITHER PARTY HAS GIVEN NOTICE TO TERMINATE BY AUGUST 31 OF THE PREVIOUS YEAR. THE MANAGEMENT FEE EXPENSE TO AIM TOTALED $1,269,140, OF WHICH $158,219 WAS FOR EXECUTIVE MANAGEMENT, FOR THE FISCAL YEAR ENDING DECEMBER 31, 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>IN 2023, THE ORGANIZATION UPDATED ITS BYLAWS TO REFLECT THE FOLLOWING: THE NOMINATING COMMITTEE SHALL CONSIST OF A CHAIR AND AT LEAST TWO ELECTED MEMBERS WHO HOLD NO OTHER ELECTED OFFICE. THE CHAIR SHALL BE A MEMBER OF THE COUNCIL APPOINTED BY THE PRESIDENT. AT LEAST TWO MEMBERS SHALL BE ELECTED EACH YEAR FOR A TWO-YEAR TERM. THE NOMINATING COMMITTEE SHALL IDENTIFY FUTURE LEADERS OF THE COLLEGE AND PROPOSE TO COUNCIL THE NAMES OF ALL CANDIDATES FOR ELECTED OFFICE AND STANDING COMMITTEES AND RECOMMEND AT LEAST TWO NOMINATIONS FOR EACH ELECTED OFFICE OR COMMITTEE TO BE FILLED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION IS A MEMBERSHIP ORGANIZATION THAT HAS 8 CATEGORIES OF MEMBERSHIP: FULL, ASSOCIATE, DISTINGUISHED FELLOW, STUDENT, POSTDOCTORAL RESEARCHER, EMERITUS, HONORARY, AND CORPORATE. ONLY FULL MEMBERS AND ASSOCIATE MEMBERS HAVE VOTING RIGHTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THREE COUNCIL MEMBERS ARE ELECTED EACH YEAR BY A MAJORITY OF THE BALLOTS CAST BY THE FULL AND ASSOCIATE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 990 IS SENT TO THE FINANCE COMMITTEE AND ENDOWMENT COMMITTEES WHO HAS BEEN DESIGNATED BY THE BOARD TO REVIEW THE 990 ON THEIR BEHALF. AFTER THE REVIEW OF THE 990 BY THE TREASURER, FINANCE COMMITTEE, AND THE ENDOWMENT COMMITTEE IT IS SIGNED BY THE TREASURER BEFORE BEING SENT TO THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION REQUESTS ALL BOARD MEMBERS TO UPDATE THE SIGNED CONFLICT OF INTEREST POLICY AT THE 1ST COUNCIL MEETING AFTER THE START OF THEIR NEW TERM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST, A COPY OF THE ASSOCIATION'S 990 AND GOVERNING DOCUMENTS ARE MADE AVAILABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE PROCESSES HAVE NOT CHANGED FROM THE PREVIOUS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>