Sections, acts Feb. 23, 1887, ch. 210, 24 Stat. 409; June 25, 1948, ch. 646, §§ 5, 39, 62 Stat. 986, 992, prohibited importation of opium by Chinese subjects and the trafficking in, in China, of opium by United States citizens. Sections 1 to 3 of said Act of Feb. 23, 1887, were classified to sections 191 to 193, respectively, of this title.

Repeal effective on first day of seventh calendar month that begins after Oct. 26, 1970, see section 1105(a) of Pub. L. 91–513, set out as an Effective Date note under section 951 of this title.

Prosecutions for any violation of law occurring, and civil seizures or forfeitures and injunctive proceedings commenced, prior to the effective date of repeal of these sections by section 1101 of Pub. L. 91–513 not to be affected or abated by reason thereof, see section 1103 of Pub. L. 91–513, set out as a Savings Provision note under section 171 of this title.