19 U.S.C. § 2484
International drug control
The President shall submit a report to Congress at least once each calendar year listing those foreign countries in which narcotic drugs and other controlled substances (as listed under section 812 of title 21 ) are produced, processed, or transported for unlawful entry into the United States. Such report shall include a description of the measures such countries are taking to prevent such production, processing, or transport.
( Pub. L. 93–618, title VI, § 606 , Jan. 3, 1975 , 88 Stat. 2073 .)