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| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Henrietta |
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| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 14623 |
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| IRS990EZ/FiledScheduleAInd | 0 | true |
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| IRS990EZ/ForeignOfficeInd | 0 | false |
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| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 37382 |
| IRS990EZ/GrossReceiptsAmt | 0 | 156937 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 3167 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingAccrualInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 9852 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 7444 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 9852 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 7444 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 12 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 13 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 14 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 15 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 16 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 17 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 18 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 19 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 20 | 1.00 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 12 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 19 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 20 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 19 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 19 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | George C Thomas |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | C M Haugh |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Joseph C Makarewicz |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | William Hallahan |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | Gerald R Bertoldo |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | Michael L Boller |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | Justin F Dollard |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | Mark Gregor |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | Ronald G Hull |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | Peter A Lent |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | John Noble |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | S R Shrivastava |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 12 | F D Smith |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 13 | Anne S Stocum |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 14 | Michael P Storonosky |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 15 | Terry Schmitz |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 16 | Anne Spaulding |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 17 | Charlie Valeska |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 18 | Sarah M Lobe |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 19 | Charles Bares |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 20 | Amanda Matkosky |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | Treasurer |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 14 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 15 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 16 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 17 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 18 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 19 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 20 | Board Member |
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| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
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| IRS990EZ/OtherExpensesTotalAmt | 0 | 40055 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | TO IMPROVE WATER QUALITY |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 120 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | STABILIZE AND RESTORE STREAMBANKS IN ALLEGANY AND LIVINGSTON COUNTIES |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 133106 |
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| IRS990EZ/WebsiteAddressTxt | 0 | geneseeriverwatch.org |
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| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 188883 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 249599 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 100441 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 110976 |
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| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3176 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3188 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 3132 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2982 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 15645 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 7480 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 7480 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.63540 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.75110 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 525355 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 278314 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 188883 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 249599 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 100441 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 110976 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 803669 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 826794 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Description AmountBank Fees 36Payroll Taxes 1,998Insurance 2,659Payroll Processing Fees 1,594Advertising & Marketing 1,984Computer & Internet 982Office & Miscellaneous Expense 606Travel 1,762Program Supplies 28,434 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Category Beginning of Year End of YearReceivables & Accrued Revenue 80,270 0 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Category Beginning of Year End of YearPayables & Accrued Expenses 73,113 5,101Deferred Revenue 22,317 24,837 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Description of other expenses Part I line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Description of other assets Part II line 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Description of total liabilities Part II line 26 |
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| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/IdentityAssuranceLevelCd | 0 | IAL1 |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/OOBSecurityVerificationCd | 0 | 00 |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/TrustedCustomerCd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2022-09-23 18:48:47Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | George C Thomas |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Executive Direc |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 5852336086 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2022-11-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Genesee Riverwatch Inc |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | GENE |
| ReturnHeader/Filer/EIN | 0 | 161037101 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 700 West Metro Park |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Henrietta |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 14623 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 811057044 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Jennifer Capezzuto Stott CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1633 Empire Blvd Suite B |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Webster |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 14580 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 5857877834 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2022-11-15 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Jennifer Stott |
| ReturnHeader/ReturnTs | 0 | 2022-11-15T18:33:32-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonFirstNm | 0 | George |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonLastNm | 0 | Thomas |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2021-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2021-12-31 |
| ReturnHeader/TaxYr | 0 | 2021 |