No authority under this subchapter to enter into contracts or to make payments shall be effective in any fiscal year except to such extent and in such amounts as are provided in advance in appropriations Acts. In any fiscal year, the Secretary, with respect to—

(1) the Fund established under section 4233 of this title,

(2) the trust established under section 4235(b) of this title, and

(3) the provisions of sections 4236 and 4237 of this title,

(Pub. L. 100–383, title II, § 208, Aug. 10, 1988, 102 Stat. 916.)