51 U.S.C. § 50920

User fees

The Secretary of Transportation may collect a user fee for a regulatory or other service conducted under this chapter only if specifically authorized by this chapter.

( Pub. L. 103–272, § 1(e) , July 5, 1994 , 108 Stat. 1342 , § 70118 of title 49 ; renumbered § 70118 then § 50920 of title 51 , Pub. L. 111–314, § 4(d)(2) , (3)(T), Dec. 18, 2010 , 124 Stat. 3440 , 3441.)