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        <FormAndLineReferenceDesc>4-Year Averaging Exception (Part II-A, lines 2a-2f)</FormAndLineReferenceDesc>
        <ExplanationTxt>Committee of Seventy submitted a valid 501(h) election in August 2013. However, the organization had no lobbying expenditures during the 2013, 2014 or 2015 years.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Footnote for uncertain tax position under FIN 48 (Part X)</FormAndLineReferenceDesc>
        <ExplanationTxt>Seventy is exempt from federal income tax under IRC Section 501(a) as an organization described in Section 501(c)(3) of the Internal Revenue Code. Since its initial filing for tax-exempt status, Seventy has not received any notice from the Internal Revenue Service (IRS) that such tax-exempt status has been challenged or changed. There was no taxable income during 2015 and 2014; therefore, no provision for income taxes has been included in the accompanying financial statements.Seventy is required to report information regarding its exposure to various tax positions taken. Seventy has determined whether any tax positions met the recognition threshold and has measured its exposure to those tax positions Management believes Seventy has adequately addressed all relevant tax positions and there are no unrecorded tax liabilities. No interest or penalties from federal and state authorities were recorded in the accompanying financial statements. Seventy is subject to routine audits by taxing jurisdictions; however, there are currently no audits for tax periods in progress. Seventy believes it is no longer subject to income tax examinations for years prior to 2011.</ExplanationTxt>
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        <PersonNm>DAVID THORNBURGH</PersonNm>
        <TitleTxt>PRESIDENT &amp; CEO</TitleTxt>
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        <FormAndLineReferenceDesc>Member election for additional members Part VI line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Directors elect the Chairman, Vice-Chairman, Secretary and Treasurer to serve a 1 year term. Notification of election is sent to the Board of Directors at least 20 days prior to the election at the Annual Meeting. The Governance Committee nominates candidates for election to the Board. Candidates are elected by a majority vote of the Board of Directors.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>The Audit Committee reviews and recommends approval to the Board andExecutive Committee. The full Board receives a review copy for comment andapproval prior to filing the 990.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Annual Conflicts of Interest Disclosures Statements are required inaccordance with Seventys Code of Ethics and Conflicts of Interest Policyfor Seventys Board of Directors. Directors are also required to notifySeventy throughout the year as conflicts arise. Annual DisclosureStatements are on file.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CEO executive director top management comp Part VI line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Compensation Committee reviews and recommends compensation for thePresident &amp; CEO. The President &amp; CEO reviews and recommends compensationfor other senior management. Both are presented to the Executive Committeefor comment and approval.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other officer or key employee compensation Part VI line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Compensation Committee reviews and recommends compensation for thePresident &amp; CEO. The President &amp; CEO reviews and recommends compensationfor other senior management. Both are presented to the Executive Committeefor comment and approval.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The governing documents and financial statements are available uponrequest. Seventys Form 990s are available on the website www.seventy.org.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Cessation of or significant change to any program service Part III line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The election day program has begun to prioritize civic engagement and service learning over polling place observation. Committee of Seventy continues to operate a hotline to provide nonpartisan guidance on voting procedures to voters, canvassers and poll workers; however, the majority of field volunteers are currently high school students tasked with learning about the voting process and offering proposals to improve elections. Students are also trained to answer basic questions about the voting process and conduct an exit survey to voters on various possible election reforms in Pennsylvania.</ExplanationTxt>
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        <FormAndLineReferenceDesc>List of other fees for services expenses Part IX line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>The following are expenses for Line 11g: Consultants and production services talent</ExplanationTxt>
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        <FormAndLineReferenceDesc>List of other expenses Part IX line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>The following are expenses for Line 24e: Food and Catering, Bank Service Charge, Credit Card Charges, Dues and Subscriptions, Telecommunications, Postage and Delivery, Bad Debt, Payroll Fees, Printing, Website</ExplanationTxt>
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        <FormAndLineReferenceDesc>General explanation attachment</FormAndLineReferenceDesc>
        <ExplanationTxt>Mission Statement Committee of Seventy is a nonprofit, nonpartisan, civic organization dedicated to making government work better and Philadelphia a better place to live, work and play. Seventy exists to improve the voting process and open up our political culture. We encourage honest,capable people to seek public office, and to help them make important decisions about Philadelphias future.</ExplanationTxt>
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