﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.5">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-03-31T11:00:38-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>390974031</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WEGNER CPAS LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2921 LANDMARK PL STE 300</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>537134236</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237222270</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>WISCONSIN LIBRARY SERVICES INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>WISC</BusinessNameControlTxt>
      <PhoneNum>6082184480</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1360 REGENT ST 121</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>53715</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JENNIFER CHAMBERLAIN</PersonNm>
      <PersonTitleTxt>EXECUTIVE DIRECTOR</PersonTitleTxt>
      <PhoneNum>6082184480</PhoneNum>
      <SignatureDt>2026-03-27</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JASON STEPHENS CPA</PreparerPersonNm>
      <PTIN>P01263225</PTIN>
      <PhoneNum>6082744020</PhoneNum>
      <PreparationDt>2026-03-27</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>JENNIFER CHAMBERLAIN</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1360 REGENT ST 121</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>53715</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>12582429</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.WILS.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1972</FormationYr>
      <LegalDomicileStateCd>WI</LegalDomicileStateCd>
      <ActivityOrMissionDesc>A MEMBERSHIP ORGANIZATION THAT FACILITATES COLLABORATIVE PROJECTS &amp; SERVICES TO SAVE MEMBERS TIME &amp; MONEY &amp; TO ADVANCE LIBRARY SERVICE, PRIMARILY IN THE STATE OF WISCONSIN.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>15</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>15</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>36</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>162966</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>320029</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>11974948</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>12179300</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>71590</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>70447</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>9510</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>12653</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>12219014</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>12582429</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>31758</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>37740</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>1208882</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>1241481</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>10520169</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>11970396</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>11760809</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>13249617</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>458205</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-667188</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>4129029</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>3359815</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>1348866</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1192254</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>2780163</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>2167561</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>PROVIDING SERVICES TO MEMBERS IN A FEE-FOR-SERVICE MODEL TO HELP ADVANCE LIBRARY SERVICES, PRIMARILY IN THE STATE OF WISCONSIN.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>11466719</ExpenseAmt>
      <GrantAmt>0</GrantAmt>
      <RevenueAmt>11462839</RevenueAmt>
      <Desc>CO-OP SERVICES: THE WILS COOPERATIVE PURCHASING PROGRAM IS DESIGNED TO SAVE MEMBERS TIME AND MONEY, ALONG WITH LEVERAGING THE BUYING POWER OF A STATEWIDE MEMBERSHIP BASE. WILS NEGOTIATES PRICING FOR A VARIETY OF ONLINE RESOURCES AND OTHER PRODUCTS, MANAGES SUBSCRIPTIONS TO ONLINE RESOURCES, IDENTIFIES NEW PRODUCTS, AND CREATES AND MAINTAINS RELATIONSHIPS WITH VENDORS, ALL ON BEHALF OF OUR MEMBERS.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>1223142</ExpenseAmt>
        <GrantAmt>37740</GrantAmt>
        <RevenueAmt>716461</RevenueAmt>
        <Desc>CONSULTING AND PROJECT MANAGEMENT: WILS PROVIDES ITS MEMBERS WITH A VARIETY OF CONSULTING AND PROJECT MANAGEMENT SERVICES, INCLUDING PLANNING SERVICES, REPORTS AND DATA COLLECTION, BROKERING PROJECTS WITH EXPERTS IN THE LIBRARY FIELD, EVENTS FOR CONTINUING EDUCATION, AND COLLABORATIVE PROJECT MANAGEMENT. IN ADDITION, WILS ACTS AS PROJECT MANAGER FOR A NUMBER OF CONSORTIA INCLUDING THREE EBOOK CONSORTIA (THE WISCONSIN PUBLIC LIBRARY CONSORTIUM, THE HORTICULTURE LIBRARY CONSORTIUM, AND THE WISCONSIN SCHOOLS DIGITAL LIBRARY CONSORTIUM) AND THE WISPALS CONSORTIUM, WHICH PROVIDES LIBRARY CATALOG AND OTHER SERVICES TO TECHNICAL COLLEGE LIBRARIES.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>12689861</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">1</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>17</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>15</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>15</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>THOMAS KLEMENT</PersonNm>
        <PhoneNum>6082067446</PhoneNum>
        <USAddress>
          <AddressLine1Txt>5315 BLACK WALNUT DR</AddressLine1Txt>
          <CityNm>MCFARLAND</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53558</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER GURSKE</PersonNm>
        <TitleTxt>CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MINDY KING</PersonNm>
        <TitleTxt>CHAIR-ELECT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTINA GOMEZ</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH MILLER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KIM OLSON-KOPP</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RENEE ANHALT</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHANNON SCHULTZ</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARGARET OTTENAD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TASHA SAECKER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER FOLLETT</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRENNA WESTON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FRANK VIOLETTE FOSS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHELLE BYHOLM</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANDREW PRELLWITZ</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JILL ROTH</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVE PLATTETER</PersonNm>
        <TitleTxt>TREASURER (THRU FEB)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER CHAMBERLAIN</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>106894</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THOMAS KLEMENT</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>15.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>56160</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>163054</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>1</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>300000</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>20029</AllOtherContributionsAmt>
      <TotalContributionsAmt>320029</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CO-OP LICENSE PROGRAM FEES</Desc>
        <BusinessCd>519120</BusinessCd>
        <TotalRevenueColumnAmt>11280440</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>11280440</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONSORTIAL MANAGEMENT</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>428247</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>428247</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONSULTING &amp; PROJECT MANAGEMENT</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>288214</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>288214</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>182399</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>182399</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>12179300</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>70447</TotalRevenueColumnAmt>
        <ExclusionAmt>70447</ExclusionAmt>
      </InvestmentIncomeGrp>
      <MiscellaneousRevenueGrp>
        <TotalRevenueColumnAmt>12653</TotalRevenueColumnAmt>
        <ExclusionAmt>12653</ExclusionAmt>
      </MiscellaneousRevenueGrp>
      <OtherRevenueTotalAmt>12653</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>12582429</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12179300</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>83100</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>37740</TotalAmt>
        <ProgramServicesAmt>37740</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>166876</TotalAmt>
        <ProgramServicesAmt>66429</ProgramServicesAmt>
        <ManagementAndGeneralAmt>100447</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>967869</TotalAmt>
        <ProgramServicesAmt>916538</ProgramServicesAmt>
        <ManagementAndGeneralAmt>51331</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>9271</TotalAmt>
        <ProgramServicesAmt>8449</ProgramServicesAmt>
        <ManagementAndGeneralAmt>822</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>3957</TotalAmt>
        <ProgramServicesAmt>3606</ProgramServicesAmt>
        <ManagementAndGeneralAmt>351</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>93508</TotalAmt>
        <ProgramServicesAmt>85218</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8290</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>27539</TotalAmt>
        <ManagementAndGeneralAmt>27539</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>6013</TotalAmt>
        <ManagementAndGeneralAmt>6013</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <OfficeExpensesGrp>
        <TotalAmt>428953</TotalAmt>
        <ProgramServicesAmt>107820</ProgramServicesAmt>
        <ManagementAndGeneralAmt>321133</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>11463390</TotalAmt>
        <ProgramServicesAmt>11429327</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34063</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>29966</TotalAmt>
        <ProgramServicesAmt>20733</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9233</ManagementAndGeneralAmt>
      </TravelGrp>
      <InsuranceGrp>
        <TotalAmt>534</TotalAmt>
        <ManagementAndGeneralAmt>534</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT</Desc>
        <TotalAmt>14001</TotalAmt>
        <ProgramServicesAmt>14001</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>13249617</TotalAmt>
        <ProgramServicesAmt>12689861</ProgramServicesAmt>
        <ManagementAndGeneralAmt>559756</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>815878</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1576964</BOYAmt>
        <EOYAmt>1282017</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>250116</BOYAmt>
        <EOYAmt>239225</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>472695</BOYAmt>
        <EOYAmt>739837</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>971618</BOYAmt>
        <EOYAmt>1038760</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>41758</BOYAmt>
        <EOYAmt>59976</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <TotalAssetsGrp>
        <BOYAmt>4129029</BOYAmt>
        <EOYAmt>3359815</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>292485</BOYAmt>
        <EOYAmt>203442</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>642101</BOYAmt>
        <EOYAmt>523330</EOYAmt>
      </DeferredRevenueGrp>
      <EscrowAccountLiabilityGrp>
        <BOYAmt>414280</BOYAmt>
        <EOYAmt>465482</EOYAmt>
      </EscrowAccountLiabilityGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>1348866</BOYAmt>
        <EOYAmt>1192254</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>2780163</BOYAmt>
        <EOYAmt>2167561</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>2780163</BOYAmt>
        <EOYAmt>2167561</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4129029</BOYAmt>
        <EOYAmt>3359815</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-667188</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>54586</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>1</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>0</FSAuditedInd>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>138012</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>180065</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>109648</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>162966</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>320029</CurrentTaxYearAmt>
        <TotalAmt>910720</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>138012</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>180065</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>109648</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>162966</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>320029</CurrentTaxYearAmt>
        <TotalAmt>910720</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>910720</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>11259</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>13124</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>39872</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>71590</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>70447</CurrentTaxYearAmt>
        <TotalAmt>206292</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>1117012</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>57289271</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.81530</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.80260</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <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">
      <AgentTrusteeEtcInd>0</AgentTrusteeEtcInd>
      <InclEscrowCustodialAcctLiabInd>1</InclEscrowCustodialAcctLiabInd>
      <ExplanationProvidedInd>X</ExplanationProvidedInd>
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV, LINE 2B:</FormAndLineReferenceDesc>
        <ExplanationTxt>WISCONSIN LIBRARY SERVICES INC. ACTS AS A FISCAL AGENT FOR VARIOUS MEMBERS AND CONSORTIA OF ITS CONSTITUENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP OF WISCONSIN LIBRARY SERVICES IS LIBRARIES, EDUCATIONAL OR CULTURAL ORGANIZATIONS, GOVERNMENTAL AGENCIES, AND NON-PROFIT AGENCIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD SHALL CONSIST OF WISCONSIN LIBRARY SERVICES MEMBERS REPRESENTATIVES HAVING THE FOLLOWING DISTRIBUTION: ONE (1) REPRESENTATIVE FROM THE LIBRARIES OF THE UW SYSTEM, AS APPOINTED BY THE COUNCIL OF UNIVERSITY OF WISCONSIN LIBRARIES (CUWL). ONE (1) REPRESENTATIVE FROM THE PRIVATE COLLEGES &amp; UNIVERSITIES, AS APPOINTED BY THE WISCONSIN ASSOCIATION OF INDEPENDENT COLLEGES &amp; UNIVERSITIES (WAICU) LIBRARY GROUP. ONE (1) REPRESENTATIVE FROM PUBLIC LIBRARY SYSTEMS AND RESOURCE LIBRARIES, AS APPOINTED BY THE SYSTEM AND RESOURCE LIBRARY ADMINISTRATOR ASSOCIATION OF WISCONSIN (SRLAAW). ONE (1) REPRESENTATIVE FROM TECHNICAL COLLEGE LIBRARIES, ELECTED BY THE MEMBERSHIP AT LARGE. TWO (2) REPRESENTATIVES FROM PUBLIC LIBRARIES OR PUBLIC LIBRARY SYSTEMS, ELECTED BY THE MEMBERSHIP AT LARGE. THREE (3) REPRESENTATIVES FROM K12 LIBRARIES, ELECTED BY THE MEMBERSHIP AT LARGE. ONE (1) REPRESENTATIVE FROM A SPECIAL LIBRARY, ELECTED BY THE MEMBERSHIP AT LARGE. ONE (1) REPRESENTATIVE FROM A CULTURAL ORGANIZATION, ELECTED BY THE MEMBERSHIP AT LARGE. TWO (2) REPRESENTATIVES FROM THE MEMBERSHIP AT LARGE, ELECTED BY THE MEMBERSHIP AT LARGE. UP TO TWO (2) APPOINTMENTS FROM THE BOARD AS MAY BE NECESSARY OR DESIRABLE FOR WILS BUSINESS. POTENTIAL APPOINTEES MUST BE BROUGHT FORWARD FOR APPROVAL BY A MEMBER OF THE BOARD. TERM LENGTH (FROM 1-3 YEARS) WILL BE PRESCRIBED BY THE BOARD AT THE TIME OF APPOINTMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PREPARED FORM 990 IS REVIEWED AND APPROVED BY THE MEMBERS OF THE GOVERNING BODY BEFORE THE RETURN IS FILED WITH THE IRS. THE DRAFT RETURN IS DISTRIBUTED AND THE VOTE TO APPROVE THE REVISED RETURN ARE BOTH CONDUCTED ELECTRONICALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS REVIEWED AT LEAST ANNUALLY BY THE DIRECTORS. ALL DIRECTORS AND OFFICERS ARE REQUIRED TO COMPLETE AND SIGN A CONFLICT OF INTEREST STATEMENT ANNUALLY. A DIRECTOR OR OFFICER WITH A CONFLICT OF INTEREST IS PROHIBITED FROM PARTICIPATING IN DELIBERATIONS AND DECISIONS REGARDING THE TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE ON THE WISCONSIN LIBRARY SERVICES' WEBSITE. THE ORGANIZATION MAKES ITS CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>