20 U.S.C. § 959a

The National Endowment for the Arts and the National Endowment for the Humanities are on and after August 2, 2005 , authorized to solicit, accept, receive, and invest in the name of the United States, gifts, bequests, or devises of money and other property or services and to use such in furtherance of the functions of the National Endowment for the Arts and the National Endowment for the Humanities. Any proceeds from such gifts, bequests, or devises, after acceptance by the National Endowment for the Arts or the National Endowment for the Humanities, shall be paid by the donor or the representative of the donor to the Chairman. The Chairman shall enter the proceeds in a special interest-bearing account to the credit of the appropriate endowment for the purposes specified in each case.