Based on title 18, U.S.C., 1940 ed., § 3 (Mar. 4, 1909, ch. 321, § 3, 35 Stat. 1088).

Mandatory punishment provision was rephrased in the alternative.

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