The date the convention became effective as to the United States, referred to in text, is May 6, 1975.

Pub. L. 95–302, § 2, June 26, 1978, 92 Stat. 345, provided that: “This Act [amending sections 1471 to 1473, 1479, 1482, and 1484 of this title] shall be effective upon the date of enactment [June 26, 1978], or upon the date the protocol becomes effective as to the United States, whichever is later.”[The protocol was adopted by the United States on Sept. 7, 1978, to be effective as to the United States upon its adoption by 15 countries. The protocol became effective as to the United States Mar. 30, 1983.