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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>1067442</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1017209</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>3721</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>54193</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>113000</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>61544</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>5539</TotalAmt>
      </AdvertisingGrp>
      <InformationTechnologyGrp>
        <TotalAmt>206158</TotalAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>74430</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>571975</TotalAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1400</TotalAmt>
      </DepreciationDepletionGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>1088239</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>520084</BOYAmt>
        <EOYAmt>694675</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>206325</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>8983</BOYAmt>
        <EOYAmt>7583</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>16800</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>731712</BOYAmt>
        <EOYAmt>925383</EOYAmt>
      </TotalAssetsGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>214418</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>214418</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>731712</BOYAmt>
        <EOYAmt>710965</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>731712</BOYAmt>
        <EOYAmt>710965</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>731712</BOYAmt>
        <EOYAmt>925383</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-20797</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>50</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <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>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>VAT Deposits</Desc>
        <Amt>214418</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>214418</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Awards and assistance with Travel Cost</GrantTypeTxt>
        <RecipientCnt>68</RecipientCnt>
        <CashGrantAmt>54193</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Travel Grant Stipend</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Sara Stearns McGehee</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Executive Director</RelationshipDescriptionTxt>
        <TransactionAmt>113000</TransactionAmt>
        <TransactionDesc>Preferred Meeting Management, Inc. isowned by Sara Stearns McGehee the executive director. Preferred MeetingManagement, Inc. provides management services to Chemical &amp; BiologicalMicrosystems Society.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>In January 2019, it was decided by CBMS to hire Preferred Meeting Management, Inc. to operate its day to day operations. PMMI manages their conferences, finances, board meetings and website.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The form will be sent to the current and former treasurer of CBMS before filing for approval.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
