(June 25, 1948, ch. 645, 62 Stat. 685.) HISTORICAL AND REVISION NOTES Based on title 18, U.S.C., 1940 ed., Sec. 501 (Mar. 4, 1909, ch. 321, Sec. 310, 35 Stat. 1148). Section is made applicable to the entire title rather than to sections 481 et seq. of title 18, U.S.C., 1940 ed. Minor changes in phraseology were made.