The donor has asked that details of the gift not be revealed, other than his name, Sam Shapiro.

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For IRS Publication 463, Travel, Entertainment, Gift and Car Expenses, with all the details, click here.

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"This is not New York, and we're not just going to give away our buildings, " said Ms. Baker, who is a member of the Secondary Parent Council, which has also filed a lawsuit seeking details of Mr. Zuckerberg's gift.

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The fact that the details about the deals was kept secret until now was also a gift to the banks, Tavakoli says.

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The location (and menu details) will remain a secret until the day, and guests are requested to bring along a gift to swap with another foodie (they should make or re-gift their contribution, rather than purchasing something new).

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