Any monetary donation accepted pursuant to this subsection may not be used to pay the salaries of U.S. Customs and Border Protection employees performing inspection services.
A donation of real property under this subsection at an existing land port of entry owned by the General Services Administration may only be accepted by the Administrator of General Services.
The authority to enter into an agreement under this subsection shall terminate on the date that is December 16, 2021.
An agreement entered into under subsection (a) or (b) (and, in the case of such subsection (b), in accordance with paragraph (4) of such subsection) may last as long as required to meet the terms of such agreement.
Except as required under section 3307 of title 40, real property donations to the Administrator of General Services made pursuant to subsection 1 (a) and 1 (b) at a GSA-owned land port of entry may be used in addition to any other funding for such purpose, including appropriated funds, property, or services.
The Commissioner of U.S. Customs and Border Protection, or the Administrator of General Services, as applicable, may return any donation made pursuant to subsection (a) or (b). No interest shall be owed to the donor with respect to any donation provided under such subsections that is returned pursuant to this subsection.
Except as provided in subsections (a) and (b) regarding the acceptance of donations, the Commissioner of U.S. Customs and Border Protection and the Administrator of General Services, as applicable, may not, with respect to an agreement entered into under either of such subsections, obligate or expend amounts in excess of amounts that have been appropriated pursuant to any appropriations Act for purposes specified in either of such subsections or otherwise made available for any of such purposes.
Before accepting any donations pursuant to an agreement under subsection (a) or (b), the Commissioner of U.S. Customs and Border Protection shall certify to the congressional committees set forth in paragraph (7) that the donation will not be used for the construction of a detention facility or a border fence or wall.
Decisions of the Commissioner of U.S. Customs and Border Protection and the Administrator of the General Services Administration under this section regarding the acceptance of real or personal property are in the discretion of the Commissioner and the Administrator and are not subject to judicial review.
Except as otherwise provided in this section, nothing in this section may be construed as affecting in any manner the responsibilities, duties, or authorities of U.S. Customs and Border Protection or the General Services Administration.