Based on title 18, U.S.C., 1940 ed., § 273 (Mar. 4, 1909, ch. 321, § 159, 35 Stat. 1118).

Mandatory punishment provision was rephrased in the alternative.

Changes were made in phraseology.

2001—Pub. L. 107–56 substituted “20 years” for “one year”.

1994—Pub. L. 103–322 substituted “fined under this title” for “fined not more than $1,000”.