43 U.S.C. § 1471i
Availability of appropriations for services or rentals
Annual appropriations made to the Department of the Interior shall on and after December 8, 2004 , be available for obligation in connection with contracts issued for services or rentals for periods not in excess of 12 months beginning at any time during the fiscal year.
( Pub. L. 108–447, div. E, title I, § 106 , Dec. 8, 2004 , 118 Stat. 3063 .)