<?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>2024-05-20T11:09:14-04:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>371017405</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>GORENZ AND ASSOCIATES LTD</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>4200 N KNOXVILLE AVE</AddressLine1Txt>
        <CityNm>PEORIA</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>61614</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>431568496</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SOTOS SYNDROME SUPPORT ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>SOTO</BusinessNameControlTxt>
      <PhoneNum>8882467772</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 4626</AddressLine1Txt>
        <CityNm>WHEATON</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60189</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MICHELLE MERCADO</PersonNm>
      <PersonTitleTxt>PRESIDENT &amp; DIRECTOR</PersonTitleTxt>
      <PhoneNum>8882467772</PhoneNum>
      <SignatureDt>2024-05-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>LINNEA</PersonFirstNm>
        <PersonLastNm>DUGAN</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JASON A HOHULIN CPA</PreparerPersonNm>
      <PTIN>P00845391</PTIN>
      <PhoneNum>3096857621</PhoneNum>
      <PreparationDt>2024-05-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc3" referenceDocumentId="RetDoc4">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>SOTOSSYNDROME.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc5">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>64185</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>28141</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>28291</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>6600</MembershipDuesAmt>
      <InvestmentIncomeAmt>708</InvestmentIncomeAmt>
      <OtherRevenueTotalAmt>445</OtherRevenueTotalAmt>
      <TotalRevenueAmt>64185</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1075</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>833</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>95896</OtherExpensesTotalAmt>
      <TotalExpensesAmt>97804</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-33619</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>259442</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>225823</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>259442</BOYAmt>
        <EOYAmt>221656</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <EOYAmt>4167</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>259442</BOYAmt>
        <EOYAmt>225823</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>259442</BOYAmt>
        <EOYAmt>225823</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>SUPPORT AND EDUCATION FOR SOTOS SYNDROME FAMILIES</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>ONLINE REGISTRATION FOR CONFERENCE, WEBSITE, NEWSLETTERS, EDUCATIONAL INFORMATION TO ASSIST SOTOS SYNDROME FAMILIES, FRIENDS, DOCTORS, TEACHERS, AND PROFESSIONALS IN DEALING WITH THE SYNDROME WHICH ARE UTILIZED BY OVER 300 MEMBERS DURING THE YEAR.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>94597</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>94597</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MICHELLE MERCADO</PersonNm>
        <TitleTxt>PRESIDENT &amp;</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRIAN HAYS</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DEJA CRUZ</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KAYLA SEIF</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MICHELE MARSHAL</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LINNEA DUGAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RACHEAL RIEFLER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERTA MORGAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>OWEN EIGENBERG</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SONNY MERCADO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DESRAY REEB</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT NAKAO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MONIQUE ALLOWAY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>MS MICHELE MARSHALL</PersonNm>
        <USAddress>
          <AddressLine1Txt>6907 S LAYFAYETTE AVE</AddressLine1Txt>
          <CityNm>BARTONVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61607</ZIPCd>
        </USAddress>
        <PhoneNum>3145509480</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc5">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>54995</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>23246</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>27250</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17215</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>28141</CurrentTaxYearAmt>
        <TotalAmt>150847</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>625</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7325</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8580</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7830</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>35336</CurrentTaxYearAmt>
        <TotalAmt>59696</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>55620</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30571</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>35830</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>25045</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>63477</CurrentTaxYearAmt>
        <TotalAmt>210543</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>210543</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>805</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>747</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>475</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>304</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>708</CurrentTaxYearAmt>
        <TotalAmt>3039</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>805</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>747</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>475</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>304</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>708</CurrentTaxYearAmt>
        <TotalAmt>3039</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>56425</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>31318</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>36305</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>25349</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>64185</CurrentTaxYearAmt>
        <TotalAmt>213582</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.98580</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.98620</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.01000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.01000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8</FormAndLineReferenceDesc>
        <ExplanationTxt>HANDBOOK SALES 445 TOTAL 445</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES WEBSITE 825 CONFERENCE 2023 92,076 CONFERENCE 2024 2,100 BANK FEES 374 DUES 421 TAXES AND LICENSE 100 TOTAL 95,896</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>WEBSITE 0 5,000 LESS ACCUMULATED AMORTIZATION 0 833 TOTAL 0 4,167</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>ONLINE REGISTRATION FOR CONFERENCE, WEBSITE, NEWSLETTERS, EDUCATIONAL INFORMATION TO ASSIST SOTOS SYNDROME FAMILIES, FRIENDS, DOCTORS, TEACHERS, AND PROFESSIONALS IN DEALING WITH THE SYNDROME WHICH ARE UTILIZED BY OVER 300 MEMBERS DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
