United States Treaties and Other International Agreements

The United States Treaties and Other International Agreements (UST) contains all treaties and international agreements of the United States since 1950. It is published annually from slip treaties of the Treaties and Other International Acts Series (TIAS). The Secretary of State is responsible for its compilation, editing, indexing, and publication.

The laws pertaining to reporting are located at 1 U.S.C. § 112a; regulations on reporting are contained at 22 C.F.R. 181.

Treaties and international agreements were formally published in United States Statutes at Large until 1948.


It was created when Congress implemented Reorganization Plan 20 of 1950 in Pub.L. 81–821, 64 Stat. 980, enacted September 23, 1950, adding 1 U.S.C. § 112a. Case-Zablocki Act requirements were modified by Pub.L. 108–458 (text) (pdf), 118 Stat. 3638, enacted December 17, 2004, which also mandated publishing on the Internet.

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