<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:sfsmef="http://www.cchsfs.com/efile/mef" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-07-08T10:10:36-04:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>821591155</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Vineyard &amp; Co LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>4900 Reed Rd Ste 128</AddressLine1Txt>
        <CityNm>Columbus</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>43220</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>310912529</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Commission on Dental Testing in Ohi</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>COMM</BusinessNameControlTxt>
      <USAddress>
        <AddressLine1Txt>P O Box 4510</AddressLine1Txt>
        <CityNm>Dublin</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>430160798</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>James Merrell</PersonNm>
      <PersonTitleTxt>Chairman</PersonTitleTxt>
      <PhoneNum>6145615825</PhoneNum>
      <SignatureDt>2024-05-20</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>James</PersonFirstNm>
        <PersonLastNm>Merrill</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>Thomas Miller</PreparerPersonNm>
      <PTIN>P01326496</PTIN>
      <PhoneNum>6144869671</PhoneNum>
      <PreparationDt>2024-05-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="2">
    <IRS990EZ documentId="1" softwareId="23017709" referenceDocumentId="2">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>153126</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ProgramServiceRevenueAmt>153126</ProgramServiceRevenueAmt>
      <TotalRevenueAmt>153126</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>83161</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>698</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>69486</OtherExpensesTotalAmt>
      <TotalExpensesAmt>153345</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-219</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>5625</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>5406</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>5625</BOYAmt>
        <EOYAmt>5305</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>5625</BOYAmt>
        <EOYAmt>5305</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>5625</BOYAmt>
        <EOYAmt>5305</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Administering License Exams</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide Testing for Licensing in Dentistry in Ohio</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>James Merrell</PersonNm>
        <TitleTxt>Chairman</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>12250</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Kristen LanghoutBeckner</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>1060</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>Vineyard Co LLC</PersonNm>
        <USAddress>
          <AddressLine1Txt>4900 Reed Rd Ste 128</AddressLine1Txt>
          <CityNm>COLUMBUS</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>432203164</ZIPCd>
        </USAddress>
        <PhoneNum>6144869671</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>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
    </IRS990EZ>
    <IRS990ScheduleO documentId="2" softwareId="23017709">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990EZ, Part 1, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Mileage 4,517 Lodging 3,200 Parking and Tolls 975 Luncheons 3,427 Testing Materials 1,790 Bank Fee 50 Insurance 1,396 Website and Computer Service 28,792 Office Supplies 965 Storage 1,600 Travel 22,774</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
