You cannot deduct a contribution to a donor advised-fund after February 13, 2007 if the sponsoring organization is a war veterans' organization, a fraternal society, or a nonprofit cemetery company. There are also other circumstances in which you cannot deduct your contribution to a donor advised fund.
Generally, a donor-advised fund is a fund or account in which a donor can, because of being a donor, advise the fund how to distribute or invest amounts held in the fund. For details, see Internal Revenue Code section 170(f)(18).
Additional information is available at the IRS website New Requirements for Donor-Advised Funds.