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        <ExplanationTxt>ASC 740 FINANCIAL STATEMENT FOOTNOTE: THE ORGANIZATION IS EXEMPT FROM INCOME TAXES UNDER BOTH FEDERAL INTERNAL REVENUE CODE (IRC) 501(C)(3) AND ARIZONA INCOME TAX LAWS, AND IS CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION UNDER IRC 509(A)(1). INCOME FROM CERTAIN ACTIVITIES NOT DIRECTLY RELATED TO THE ORGANIZATION'S TAX-EXEMPT PURPOSE, HOWEVER, MAY BE SUBJECT TO TAXATION AS UNRELATED BUSINESS TAXABLE INCOME. FROM TIME TO TIME, THE ORGANIZATION MAY BE SUBJECT TO PENALTIES AND INTEREST ASSESSED BY VARIOUS TAXING AUTHORITIES, WHICH ARE CLASSIFIED AS GENERAL AND ADMINISTRATIVE EXPENSES, IF THEY OCCUR.</ExplanationTxt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS SUPPORTED BY MEMBERS WHICH HAVE AGREED TO CONTINUE TO SUPPORT THE TELESCOPE PROGRAM THROUGH MEMBER CONTRIBUTIONS PROPORTIONATE TO THEIR MEMBERSHIP LEVELS. THE MEMBERS ARE ALLOCATED TIME FOR TELESCOPE USE PROPORTIONATE TO THEIR CONTRIBUTIONS MADE THROUGH BOTH CASH AND NON-CASH PAYMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE ORGANIZATION APPOINT MEMBERS TO THE BOARD OF DIRECTORS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>AMENDMENTS OF THE ARTICLES OF INCORPORATION REQUIRE UNANIMOUS APPROVAL OF MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTEMPORANEOUS DOCUMENTATION IS TAKEN AT GOVERNING BODY MEETINGS, HOWEVER, DOCUMENTATION IS NOT TAKEN AT COMMITTEE MEETINGS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BUSINESS MANAGER WILL CONDUCT AN INITIAL REVIEW OF THE FORM 990. THE FINANCE COMMITTEE THEN REVIEWS THE FORM 990 ON BEHALF OF THE BOARD OF DIRECTORS. UPON APPROVAL OF THE FINANCE COMMITTEE, THE BOARD IS NOTIFIED THAT THE FORM 990 IS AVAILABLE ON-LINE AND THE PRESIDENT IS AUTHORIZED TO SIGN THE FORM 990 FOR SUBMISSION TO THE IRS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATE SECRETARY DISTRIBUTES ANNUAL CONFLICT OF INTEREST FORMS TO ALL DIRECTORS, OFFICERS, MEMBER REPRESENTATIVES, VOTING MEMBERS OF THE BOARD FINANCE COMMITTEE, MEMBERS OF THE BOARD SCIENTIFIC ADVISORY COMMITTEE, THE OBSERVATORY DIRECTOR AND BUSINESS MANAGER. BY SIGNING THE FORMS AND RETURNING THEM TO THE SECRETARY, THESE PEOPLE AFFIRM THAT THEY HAVE READ AND UNDERSTAND THE CONFLICT OF INTEREST POLICY OF THE LBT CORPORATION AND HAVE DISCLOSED ANY POSSIBLE CONFLICTS. THE SECRETARY REVIEWS THE FORMS FOR ANY DISCLOSURES AND KEEPS THEM WITH THE CORPORATE RECORDS. ANY DISCLOSED CONFLICTS ARE REFERRED TO THE BOARD FOR THEIR INFORMATION. ANY FURTHER ACTION CONCERNING DISCLOSED CONFLICTS OR POSSIBLE CONFLICTS ARE HANDLED ACCORDING TO THE PROCEDURES CONTAINED IN THE LBT CORPORATION CONFLICT OF INTEREST POLICY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15B</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
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</Return>
