2005—Subsec. (c).
Pub. L. 109–58 inserted “from the authorization to commence operations” after “forty years”.
1970—Subsec. (a).
Pub. L. 91–560 struck out requirement of a finding of practical value under section
2132 and substituted “utilization and production facilities for industrial or commercial purposes” for “such type of utilization or production facility”.
1956—Subsec. (a). Act Aug. 6, 1956, § 12, inserted “use,” after “possess,”.
Subsec. (d). Act Aug. 6, 1956, § 13, inserted “an alien or any” after “issued to”.