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Scientific and Technological Cooperation

Protocol amending agreement of January 31, 1979.  Signed at Beijing September 17 and 22, 2018; entered into force September 22, 2018. 

Agreement previously extended November 20, 2013: TIAS 13-1120; April 18 and 21, 2016: TIAS 16-421; and June 5, June 6 and August 30, 2017: TIAS 17-830.

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U.S. Department of State

The Lessons of 1989: Freedom and Our Future