16 U.S. Code § 742l–1. Authority to use available law enforcement funds

In fiscal year 2012 and hereafter of the amount available for law enforcement, up to $400,000, to remain available until expended, may at the discretion of the Secretary be used for payment for information, rewards, or evidence concerning violations of laws administered by the Service, and miscellaneous and emergency expenses of enforcement activity, authorized or approved by the Secretary and to be accounted for solely on the Secretary’s certificate.