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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2 UNCERTAIN TAX POSITIONS</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT HAS EVALUATED THE INCOME TAX POSITIONS UNDER THE GUIDANCE INCLUDED IN ASC 740. BASED ON THEIR REVIEW, MANAGEMENT HAS NOT IDENTIFIED ANY MATERIAL UNCERTAIN TAX POSITIONS TO BE RECORDED OR DISCLOSED IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a ELECTION OF GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>LASALLE COUNTY (LASALLE), BLACKHAWK HILLS RESOURCE CONSERVATION AND DEVELOPMENT (BLACKHAWK), THE CITY OF ROCKFORD, ILLINOIS (ROCKFORD), AND NORTHERN ILLINOIS UNIVERSITY (NIU) EACH HAVE THE RIGHT TO APPOINT TWO DIRECTORS. VACANCIES IN THOSE DIRECTOR POSITIONS SHALL BE FILLED BY THE ENTITY HAVING APPOINTMENT POWER. ADDITIONAL DIRECTOR VACANCIES, IF ANY, SHALL BE SUBMITTED TO THE BOARD FOR CONSIDERATION BY THE NOMINATING COMMITTEE. THE NOMINATING COMMITTEE CONSISTS OF FOUR MEMBERS, WHICH SHALL INCLUDE ONE REPRESENTATIVE EACH FROM THE DIRECTORS APPOINTED BY LASALLE, BLACKHAWK, ROCKFORD AND NIU RESPECTIVELY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
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