Whoever, without lawful authority or permission, goes upon a reservation, land, or a facility of the Bureau of Prisons shall be fined under this title or imprisoned not more than six months, or both.

(Added Pub. L. 99–646, § 64(a), Nov. 10, 1986, 100 Stat. 3614; amended Pub. L. 103–322, title XXXIII, § 330016(1)(G), Sept. 13, 1994, 108 Stat. 2147.)