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      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>631418</TotalAmt>
        <ProgramServicesAmt>587218</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22100</ManagementAndGeneralAmt>
        <FundraisingAmt>22100</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>39962</TotalAmt>
        <ProgramServicesAmt>37164</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1399</ManagementAndGeneralAmt>
        <FundraisingAmt>1399</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>369793</TotalAmt>
        <ProgramServicesAmt>343907</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12943</ManagementAndGeneralAmt>
        <FundraisingAmt>12943</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1424586</TotalAmt>
        <ProgramServicesAmt>292481</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1132105</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>52006</TotalAmt>
        <ProgramServicesAmt>52006</ProgramServicesAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>85000</TotalAmt>
        <ProgramServicesAmt>80779</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4221</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>240962</TotalAmt>
        <ProgramServicesAmt>239223</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1739</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>15146</TotalAmt>
        <ProgramServicesAmt>15146</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>14078</TotalAmt>
        <ProgramServicesAmt>14078</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>159612</TotalAmt>
        <ProgramServicesAmt>159612</ProgramServicesAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>716668</TotalAmt>
        <ProgramServicesAmt>716668</ProgramServicesAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>78216</TotalAmt>
        <ProgramServicesAmt>75006</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3210</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EQUIPMENT RENTAL &amp; MAINT.</Desc>
        <TotalAmt>535790</TotalAmt>
        <ProgramServicesAmt>527303</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8487</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MATERIALS</Desc>
        <TotalAmt>413598</TotalAmt>
        <ProgramServicesAmt>256037</ProgramServicesAmt>
        <ManagementAndGeneralAmt>157561</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS EXPENSE</Desc>
        <TotalAmt>42841</TotalAmt>
        <ProgramServicesAmt>26521</ProgramServicesAmt>
        <ManagementAndGeneralAmt>16320</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>VEHICLE &amp; DELIVERY EXP</Desc>
        <TotalAmt>17794</TotalAmt>
        <ProgramServicesAmt>17794</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>10307</TotalAmt>
        <ProgramServicesAmt>10307</ProgramServicesAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>9734639</TotalAmt>
        <ProgramServicesAmt>8022320</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1528218</ManagementAndGeneralAmt>
        <FundraisingAmt>184101</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1243341</BOYAmt>
        <EOYAmt>388408</EOYAmt>
      </CashNonInterestBearingGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>727737</BOYAmt>
        <EOYAmt>220492</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>454975</BOYAmt>
        <EOYAmt>707162</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>11782</BOYAmt>
        <EOYAmt>79210</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>16884667</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>7667987</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>1470630</BOYAmt>
        <EOYAmt>9216680</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>1469743</BOYAmt>
        <EOYAmt>1641102</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>9415375</BOYAmt>
        <EOYAmt>1237366</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>14793583</BOYAmt>
        <EOYAmt>13490420</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>412456</BOYAmt>
        <EOYAmt>478239</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>21500</BOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>5660073</BOYAmt>
        <EOYAmt>5880073</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>1391972</BOYAmt>
        <EOYAmt>1063212</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>7486001</BOYAmt>
        <EOYAmt>7421524</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>2522861</BOYAmt>
        <EOYAmt>2260264</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>4784721</BOYAmt>
        <EOYAmt>3808632</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>7307582</BOYAmt>
        <EOYAmt>6068896</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>14793583</BOYAmt>
        <EOYAmt>13490420</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-1436048</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>197362</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc9">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>6937352</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4908695</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3391549</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4114082</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3707792</CurrentTaxYearAmt>
        <TotalAmt>23059470</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp>
        <CurrentTaxYearMinus4YearsAmt>2500008</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2650000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2526741</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2700000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2700000</CurrentTaxYearAmt>
        <TotalAmt>13076749</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>9437360</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7558695</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5918290</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>6814082</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>6407792</CurrentTaxYearAmt>
        <TotalAmt>36136219</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>21661</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>36114558</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>45656</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>42448</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>40791</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>46233</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>62699</CurrentTaxYearAmt>
        <TotalAmt>237827</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>38258</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1508</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1004</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2148</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>42918</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>36416964</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>9478633</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.99170</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.99170</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS REVENUES 42,918</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SUPPLEMENTAL INFORMATION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE YORK COUNTY LIBRARY SYSTEM (YCLS) MADE THE FOLLOWING CHANGES TO SCHEDULE A, PART II IN THE CURRENT YEAR - IN PRIOR YEARS, THE YORK COUNTY LIBRARY SYSTEM REPORTED TAX REVENUES LEVIED FOR THE ORGANIZATION ON LINE 1 OF SCHEDULE A, PART II, INSTEAD OF ON LINE 2. MISCELLANEOUS REVENUES WERE REPORTED ON LINE 12 INSTEAD OF LINE 10, AND FOR THE 2015 TAX YEAR, LINE 8, CAPITAL GAINS WERE MISTAKENLY INCLUDED ON LINE 8. YCLS CORRECTED THESE ERRORS DURING THE CURRENT YEAR. NONE OF THE CHANGES HAD A SIGNIFICANT IMPACT ON THE PUBLIC SUPPORT CALCULATION.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </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>
    <IRS990ScheduleD documentId="RetDoc3">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>209399</OtherCostOrOtherBasisAmt>
        <BookValueAmt>209399</BookValueAmt>
      </LandGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>11825969</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>3381780</DepreciationAmt>
        <BookValueAmt>8444189</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>4849299</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4286207</DepreciationAmt>
        <BookValueAmt>563092</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>9216680</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT TO USE ASSET - BUILDING LEASES</Desc>
        <BookValueAmt>978402</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>PERPETUAL TRUSTS</Desc>
        <BookValueAmt>258964</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>1237366</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
        <Amt>1015339</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>COMPENSATED ABSENCES</Desc>
        <Amt>47873</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1063212</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>8500953</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>197362</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>5000</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>202362</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>8298591</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>8298591</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>9739639</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>5000</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>5000</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>9734639</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>9734639</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LIBRARY SYSTEM QUALIFIES AS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501C (3) OF THE INTERNAL REVENUE CODE; THEREFORE, NO PROVISION FOR FEDERAL INCOME TAXES HAS BEEN ESTABLISHED. FURTHER, THE LIBRARY SYSTEM ANNUALLY FILES A FORM 990, AS APPLICABLE. THE FORM IS FILED SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE GENERALLY FOR THREE YEARS AFTER IT IS FILED. MANAGEMENT ASSERTS THAT THEY HAVE NO UNCERTAIN TAX POSITIONS REQUIRING THE ESTABLISHMENT OF A LIABILITY OR DISCLOSURE IN THE FINANCIAL STATEMENTS. MANAGEMENT BELIEVES IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEAR-ENDS PRIOR TO DECEMBER 31, 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc4">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>DILLSBURG PUBLIC LIBRARY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>17 S BALTIMORE STREET</AddressLine1Txt>
          <CityNm>DILLSBURG</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17327</ZIPCd>
        </USAddress>
        <RecipientEIN>236418830</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>87496</CashGrantAmt>
        <PurposeOfGrantTxt>PUBLIC LIB. ASSIST.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GUTHRIE MEMORIAL LIBRARY</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>A COMPONENT OF HANOVER BOROUGH</BusinessNameLine2Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2 LIBERTY PLACE</AddressLine1Txt>
          <CityNm>HANOVER</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17331</ZIPCd>
        </USAddress>
        <RecipientEIN>236002870</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>285220</CashGrantAmt>
        <PurposeOfGrantTxt>PUBLIC LIB. ASSIST.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>KALTREIDER BENFER LIBRARY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>147 S CHARLES STREET</AddressLine1Txt>
          <CityNm>RED LION</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17356</ZIPCd>
        </USAddress>
        <RecipientEIN>231681905</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>124206</CashGrantAmt>
        <PurposeOfGrantTxt>PUBLIC LIB. ASSIST.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASON DIXON PUBLIC LIBRARY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>250 BAILEY DRIVE</AddressLine1Txt>
          <CityNm>STEWARTSTOWN</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17363</ZIPCd>
        </USAddress>
        <RecipientEIN>232321504</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>74954</CashGrantAmt>
        <PurposeOfGrantTxt>PUBLIC LIB. ASSIST.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>PAUL SMITH SOUTHERN YORK COUNTY</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>LIBRARY</BusinessNameLine2Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>80 CONSTITUTION AVENUE</AddressLine1Txt>
          <CityNm>SHREWSBURY</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17361</ZIPCd>
        </USAddress>
        <RecipientEIN>233051087</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>96164</CashGrantAmt>
        <PurposeOfGrantTxt>PUBLIC LIB. ASSIST.</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>STATE AND COUNTY FUNDS ARE DISTRIBUTED TO LIBRARIES THROUGH THE YCLS FUNDING FORMULA, WHICH MIRRORS THE STATE FORMULA AND IS BASED ON RATIO OF TOTAL EXPENSES OF THE LIBRARY. USE OF FUNDS ARE MONITORED AND REPORTED ANNUALLY TO THE STATE LIBRARY, AS WELL AS MONTHLY FINANCIAL STATEMENTS SENT BY LIBRARIES TO YCLS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PAGE 4, PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>THE YORK COUNTY LIBRARY SYSTEM SERVES AS A CONDUIT OF STATE AND COUNTY FUNDS TO PUBLIC LIBRARIES IN YORK COUNTY. STATE FUNDS ARE RECEIVED BY THE SYSTEM FROM COMMONWEALTH LIBRARIES THROUGH A STATE FUNDING FORMULA (OR AS A MATCH/DECREASE TO PRIOR YEAR FUNDING SHOULD FUNDS NOT BE ADEQUATE ENOUGH TO RUN THE STATE FORMULA). COUNTY FUNDS ARE RECEIVED BY YCLS THROUGH A DEDICATED TAX BASE (CURRENTLY .09 PERCENT MILL PER CAPITA). STATE AND COUNTY FUNDS ARE DISTRIBUTED TO MEMBER LIBRARIES PER THE YCLS FUNDING FORMULA. ANY FUNDS RETAINED BY YCLS ARE USED FOR PROVISION OF SERVICES TO BRANCH LIBRARIES AND FOR CENTRALIZED SERVICES SUCH AS DELIVERY, TECHNOLOGY, YOUTH SERVICES, FACILITIES, ETC. THERE IS NO ADMINISTRATIVE FEE ASSOCIATED WITH ANY OF THE PASS THROUGH FUNDS TO THE MEMBER LIBRARIES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc5">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROBERT LAMBERT</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>141470</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>4952</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>13264</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>159686</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc6">
      <BooksAndPublicationsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <NoncashContributionsRptF990Amt>4353</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV OF BOOKS</MethodOfDeterminingRevenuesTxt>
      </BooksAndPublicationsGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>ENTERTAINMENT</Desc>
        <ContributionCnt>12640</ContributionCnt>
        <NoncashContributionsRptF990Amt>142006</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV OF TICKETS</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>FOOD COUPONS</Desc>
        <ContributionCnt>24000</ContributionCnt>
        <NoncashContributionsRptF990Amt>116110</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV OF COUPONS</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE M, PAGE 2, PART II</FormAndLineReferenceDesc>
        <ExplanationTxt>AMOUNTS LISTED IN PART I, COLUMN (B) REPRESENT NUMBER OF CONTRIBUTIONS</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc7">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, LINE 8 IN 2019, THE LIBRARY LAUNCHED A FIVE YEAR CAPITAL CAMPAIGN TO RAISE OVER 5 MILLION FOR THE EXPANSION AND RENOVATION OF THEIR CURRENT FACILITIES. THE LIBRARY WAS ABLE TO SOLICIT PLEDGES UNTIL JUNE 30, 2019 WITH PAYMENTS FROM THE RESPECTIVE PLEDGEES UNTIL 2025.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE YCLS AUDIT COMMITTEE MET WITH THE AUDITORS TO REVIEW QUESTIONS/INPUT AS THE AUDITORS PREPARED THE 990. A DRAFT COPY WAS AVAILABLE TO THE COMMITTEE PRIOR TO ITS FINAL FILING. ALSO REVIEWED AND SIGNED BY THE ORGANIZATION'S PRESIDENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>A CONFLICT OF INTEREST POLICY DISCLOSURE FORM IS SIGNED BY NEWLY ELECTED DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>CEO - THE BOARD'S EXECUTIVE COMMITTEE REVIEWS AND CONFIRMS PRESIDENT COMPENSATION &amp; PERFORMANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>KEY EMPLOYEES - PRESIDENT REVIEWS AND CONFIRMS ALL KEY EMPLOYEE COMPENSATION AND PERFORMANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBER LIBRARY WAGES 214,340 0 0 MEMBER LIBRARY PAYROLL TAXES 43,048 0 0 PROFESSIONAL FEES 0 1,132,105 0 MEMBER LIBRARY OTHER BENEFITS 35,093 0 0 TOTAL 292,481 1,132,105 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc8">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MARTIN LIBRARY ASSOCIATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>159 E MARKET STREET</AddressLine1Txt>
          <CityNm>YORK</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17401</ZIPCd>
        </USAddress>
        <EIN>231352224</EIN>
        <PrimaryActivitiesTxt>OPER SUPP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501C3</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>true</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>MARTIN LIBRARY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>K</TransactionTypeTxt>
        <InvolvedAmt>240000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MARTIN FINANCIAL STMTS.</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>