Pub. L. 89-793, tit. III, sec. 315

Sec. 315. Whoever escapes or attempts to escape while committed to institutional custody for examination or treatment under this title, or whoever rescues or attempts to rescue or instigates, aids, or assists the escape or attempt to escape of such a person, shall be subject to the penalties provided in sections 751 and 752 of title 18, United States Code.