Home2024 Treaties and Agreements ...China (24-227) – Extension of the Agreement on Cooperation in Science and Technology, as amended and extended hide China (24-227) – Extension of the Agreement on Cooperation in Science and Technology, as amended and extended TIAS Office of Treaty Affairs February 27, 2024 Scientific and Technical Cooperation Effected by Exchange of Notes at Washington February 22 and 27, 2024; entered into force February 27, 2024. With effect from February 27, 2024. Extension of agreement of January 31, 1979: TIAS 9179. Agreement previously extended January 12, 1984: TIAS 10921; January 25 and 27, 1989; May 22, 1991; April 24 and 25, 2001; April 18, 2006; January 19, 2011; November 20, 2013: TIAS 13-1120; April 18 and 21, 2016: TIAS 16-421; June 5, June 6 and August 30, 2017: TIAS 17-830; September 17 and 22, 2018: TIAS 18-922 and August 31, 2023: TIAS 23-831. Download Agreement [328 KB] Tags China Scientific and Technological Cooperation Treaties