Home2023 Treaties and Agreements ...China (23-831) – Protocol Extending the Agreement on Cooperation in Science and Technology, as amended and extended hide China (23-831) – Protocol Extending the Agreement on Cooperation in Science and Technology, as amended and extended TIAS Office of Treaty Affairs August 31, 2023 Scientific and Technical Cooperation Signed at Beijing August 31, 2023; entered into force August 31, 2023. 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; and September 17 and 22, 2018: TIAS 18-922. Download Agreement [507 KB] Tags China Scientific and Technological Cooperation Treaties