Section, act June 25, 1938, ch. 675, § 540, formerly act July 1, 1944, ch. 373, title III, § 540, formerly § 360D, as added
Pub. L. 90–602, § 2(3), Oct. 18, 1968,
82 Stat. 1185; renumbered § 540 and amended
Pub. L. 101–629, § 19(a)(1)(B), (3), (4), Nov. 28, 1990,
104 Stat. 4529, 4530;
Pub. L. 103–80, § 4(a)(2), Aug. 13, 1993,
107 Stat. 779, related to annual report on administration of electronic product radiation control program.