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        <FormAndLineReferenceDesc>Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o</FormAndLineReferenceDesc>
        <ExplanationTxt>The NSCDA-IL is responsible for maintaining and insuring a collection of furniture and art objects housed in the Clarke-Ford House, the oldest house in Chicago. This is done in conjunction with the City of Chicago, owner of the house. On occasion an item is donated and accepted for the Clarke-Ford House Museum collection if it is appropriate for the time period.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4: Description of organization's collections and how it furthers its purpose.</FormAndLineReferenceDesc>
        <ExplanationTxt>The Illinois Society's collection in Clarke-Ford House consists of furnishings dating to 1830-1850. The furnishings are intended to educate the public on how settlers in Chicago lived during that period. Maintaining and displaying this collection furthers our missions of historic preservation and education.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="IRS990ScheduleI" softwareId="24020490" softwareVersionNum="2024v5.2">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <Total501c3OrgCnt>0</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>History Scholarship</GrantTypeTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>6000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Additional Supplemental Information</FormAndLineReferenceDesc>
        <ExplanationTxt>Graduate students apply for the Graduate American History Award. A committee selects the recipients.</ExplanationTxt>
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    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="24020490" softwareVersionNum="2024v5.2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Officers are elected yearly by members at an Annual Meeting. Any Bylaw changes are presented to the membership at the Annual Meeting for approval.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Prior to filing, the Form 990 is reviewed by the Finance Committee and the Board of Managers.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members and officers are required to disclose any conflict of interest annually at a board meeting. If a conflict arises during the year, there is a process in place for reviewing it.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Information is provided upon request. In addition, The Attorney General of Illinois has a website that posts the income tax returns of charities so that they can be viewed by any interested party. The Forms 990 would also be available on guidestar.org and candid.org.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>American Heritage Award: Column (A) - Total = $100; Column (B) - Program Services = $100; Column (C) - Management &amp; General = $0; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Board lunches: Column (A) - Total = $3722; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $3722; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Documentation and appraisal: Column (A) - Total = $245; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $245; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Essay Contest: Column (A) - Total = $670; Column (B) - Program Services = $670; Column (C) - Management &amp; General = $0; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Fortnightly Holiday Fund: Column (A) - Total = $500; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $500; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership event: Column (A) - Total = $1062; Column (B) - Program Services = $1062; Column (C) - Management &amp; General = $0; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Postage and Shipping: Column (A) - Total = $1353; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $1353; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Printing and Publications: Column (A) - Total = $2852; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $2852; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Prospective member events: Column (A) - Total = $1942; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $1942; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Ruck March: Column (A) - Total = $3000; Column (B) - Program Services = $3000; Column (C) - Management &amp; General = $0; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Scarf slides expense: Column (A) - Total = $1393; Column (B) - Program Services = $1393; Column (C) - Management &amp; General = $0; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Sundry: Column (A) - Total = $155; Column (B) - Program Services = $0; Column (C) - Management &amp; General = $155; Column (D) - Fundraising = $0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Statement Note 1</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Page 9, Line 1 (b) and Line 2 (b)Based on review, the Board of Directors determined that Program Service Revenue as reported in Page 9, Part VIII Statement of Revenue, Line 2g should be reported in Schedule A, Page 3, Part III, Section A, Line 2. Accordingly, amounts previously reported in Form 990 Schedule A, Page 3, Part III, Section B, Line 12 have been reclassified to Schedule A, Page 3, Part III, Section A, Line 2.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>