43 U.S.C. § 1579
Effective , and to such extent and in such amounts as are provided in advance in appropriate 1 Acts, in order to provide measures determined by the Secretary of the Interior to be appropriated to mitigate loss of fish and wildlife habitat associated with other measures taken under this subchapter:
(a) Appropriation of funds; acquisition and disposal of lands; facilities undertakings; funds restriction for non-Federal facilities The Secretary is authorized to—
(Pub. L. 93–320, title I, § 110, as added Pub. L. 96–336, § 6, , 94 Stat. 1064.)
1 So in original. Probably should be “appropriation”.