1976—Pub. L. 94–279 inserted “, every intermediate handler, every carrier,” after “research facility”.

1970—Pub. L. 91–579 inserted reference to exhibitors not licensed under section 2133 of this title.

Amendment by Pub. L. 91–579 effective one year after Dec. 24, 1970, see section 23 of Pub. L. 91–579, set out as a note under section 2131 of this title.