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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>OKLAHOMA ONE-CALL SYSTEM HAS MEMBERS WHO PAY DUES AND ARE ALLOWED TO USE THE DATABASE OF THE ORGANIZATION TO PREVENT DAMAGES TO PUBLIC SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEW THE FORM 990 PRIOR TO FILING THE RETURN WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEW EACH DIRECTORS COMPLIANCE WITH THE ORGANIZATION'S CONFLICT OF INTEREST POLICY ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ABBOT LANGER STUDY AND DEPARTMENT OF LABOR RECORDS ARE USED TO DETERMINE APPROPRIATE SALARIES. THE BOARD OF DIRECTORS APPROVE THE SALARY PLAN WITH WAGE BANDS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC AT THE ORGANIZATION'S PRIMARY LOCATION IN OKLAHOMA CITY.</ExplanationTxt>
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</Return>