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      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a:</FormAndLineReferenceDesc>
        <ExplanationTxt>Works of art, historical treasurers, and similar items are considered to meet the definition of a collection. As such, these items are not capitalized on the statement of financial position for the Organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization holds items in its collections about the pioneer settlement of Cass County, North Dakota, the region, and the state of North Dakota. These items are exhibited in a main museum and 38 historical buildings or exhibit buildings. The artifacts in the organization's possession are exhibited for the education and research value of the public, for loaning to other organizations, and for preservation for future generations.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IV, Line 2b:</FormAndLineReferenceDesc>
        <ExplanationTxt>The amounts included in Form 990, Part X, Line 21 represent refundable deposits.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society has an endowment fund set up at Fargo-Moorhead Area Foundation (Foundation) called the Cass County Historical Society Endowment Fund (Fund). The trust agreement dated January 1998 establishes the Fund for the exclusive purpose of supporting the Society. The Foundation is authorized to accept gifts, grants, and bequests on behalf of the Fund from any source.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization believes that it has appropriate support for any tax positions taken affecting its annual filing requirements, and as such, does not have any uncertain tax positions that are material to the financial statements. The Organization would recognize future accrued interest and penalties related to unrecognized tax benefits and liabilities in income tax expense if such interest and penalties are incurred.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental Expenses Reported in Expense on the Financial Statements 100,959. COGS reported in Expense on Financial Statements 7,604.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
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    </IRS990ScheduleD>
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        <Event1Nm>July 4th Celebration</Event1Nm>
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        <GrossRevenueEvent1Amt>34981</GrossRevenueEvent1Amt>
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        <Event2Nm>Christmas on the Prairie</Event2Nm>
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        <GrossRevenueEvent2Amt>7280</GrossRevenueEvent2Amt>
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        <OtherEventsTotalCnt>1</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>16162</GrossReceiptsOtherEventsAmt>
        <CharitableContriOtherEventsAmt>6500</CharitableContriOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>9662</GrossRevenueOtherEventsAmt>
        <RentFcltyCostsOtherEventsAmt>978</RentFcltyCostsOtherEventsAmt>
        <FoodAndBeverageOtherEventsAmt>1743</FoodAndBeverageOtherEventsAmt>
        <EntertainmentOtherEventsAmt>2476</EntertainmentOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>5219</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>98073</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>46150</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>51923</GrossRevenueTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>5578</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>4627</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>13690</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>9066</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>32961</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>18962</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>Lindemann Concrete</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Board member Kent Lindemann owns Lindemann Concrete</RelationshipDescriptionTxt>
        <TransactionAmt>43177</TransactionAmt>
        <TransactionDesc>Construction related services on historic building</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The Bylaws were amended during the year. Significant changes are as follows: -A quorum at the regular membership meeting and at a special meeting is at least 30 members in good standing. -A conflict of interest policy was added to the bylaws. Board members will not be monetarily compensated for their time on the board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Society members pay dues of at least $30 per year and have voting rights at the annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Society members elect directors of the Board at the annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>No committees are able to act on behalf of the board. Committees meet and make recommendations to the board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is reviewed prior to being provided to the board of directors via e-mail. Once the Form 990 has be approved it is filed with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The conflict of interest policy guides all operational decisions and is updated regularly. Officer, directors, and employees are responsible for disclosing potential conflicts. Conflicts that are disclosed are reviewed by the executive director. Board members abstain from voting on issues in which they have a conflict.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The annual compensation review for the Executive Director is done by the Board. Annual reviews and subsequent salary adjustments consider factors from comparable non-profits.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society makes its governing documents, conflict of interest policy, and financial statements available to the public by request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in Value of Beneficial Interests 16,439.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>