§ 452a. Acquisition of non-Federal land within existing boundaries of any National Park; donations; authorization of appropriations
In order to consolidate Federal land ownership within the existing boundaries of any National Park and to encourage the donation of funds for that purpose, the Secretary of the Interior is authorized to accept and to use in his discretion funds which may be donated subject to the condition that such donated funds are to be expended for purposes of this section by the Secretary only if Federal funds in an amount equal to the amount of such donated funds are appropriated for the purposes of this section. There are authorized to be appropriated such funds as may be necessary to match funds that may be donated for such purposes: Provided, That the amount which may be appropriated annually for purposes of this section shall be limited to $500,000.