2021—Par. (1). Pub. L. 116–283 substituted “the Secretary may provide, from the National Park Service’s National Recreation and Preservation account, the remainder of” for “there is hereby authorized”.

2004—Par. (1). Pub. L. 108–199, § 544(f)(1), inserted “for an endowment fund subject to paragraph (2)” after “the sum of $5,000,000”.

Par. (2). Pub. L. 108–199, § 544(f)(2), struck out “Trust or to the Oklahoma City Memorial” after “each non-Federal dollar donated to the” and substituted “operation, or endowment” for “or operation”.