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        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Discovery is exempt from taxation under Internal Revenue Code Section 501(c)(3) and California Revenue and Taxation Code Section 23701d. Generally accepted accounting principles provide accounting and disclosure guidance about positions taken by an organization in its tax returns that might be uncertain. Management has considered its tax positions and believes that all of the positions taken by Discovery in its federal and state exempt organization tax returns are more likely than not to be sustained upon examination. Discovery returns are subject to examination by federal and state taxing authorities, generally for three and four years, respectively, after they are filed.</ExplanationTxt>
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          <CityNm>Irvine</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92697</ZIPCd>
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        <PurposeOfGrantTxt>Basic Ophthal. Research and salaries</PurposeOfGrantTxt>
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        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Funds are received as temporarily restricted and released for the individuals as a they are needed. Scientific Review Committee reviews all proposals submitted for potential funding. They are graded and submitted to the DEF Executive Finance Committee for consideration of submission to the DEF Board.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is distributed to the Executive Finance Committee of DEF for their review prior to submitting to the full board for their review, prior to submitting to the accountants for submission.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>Policy is reviewed on an annual basis and amended as needed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial statements are posted on the DEF website - Governing documents and conflict of interest policy are provided upon request.</ExplanationTxt>
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</Return>