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      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o</FormAndLineReferenceDesc>
        <ExplanationTxt>CollectionsAACS has created and acquired a large collection of public access programming. This collection is kept on site and is not valued.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>DoubleACS is a not-for-profit organization that is exempt from income taxes under Section 501(c)(3) of the Internal Revenue Code and classified by the Internal Revenue Service as other than a private organization. DoubleACS is also exempt from Massachusetts income taxes. DoubleACS is subject to a tax on income from any unrelated business activities.DoubleACS Form 990, Return of Organization Exempt from Income Tax, and Massachusetts Form PC, for the years ending December 31, 2023, 2022, and 2021,is subject to examination by the IRS and Massachusetts, generally for three years after filing.Income tax benefits are recognized for income tax positions taken or expected to be taken in a tax return, only when it is determined that the income tax position will more-likely-than-not be sustained upon examination by taxing authorities. DoubleACS has analyzed tax positions taken for filing with the Internal Revenue Service and all state jurisdictions where it operates. DoubleACS believes that income tax filing positions will be sustained if examined and does not anticipate any adjustments that would result in a material adverse effect on DoubleACS financial position, results of operations or cash flows. Accordingly, DoubleACS has not recorded any reserves or accruals for interest and penalties for potential uncertain income tax positions at December 31, 2023.</ExplanationTxt>
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        <ExplanationTxt>Form 990 Reviewed by Operations Manager before filing</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
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</Return>