Home2017 Treaties and Agreements ...China (17-830) – Protocols to Extend Agreement of January 31, 1979 on Cooperation in Science and Technology hide China (17-830) – Protocols to Extend Agreement of January 31, 1979 on Cooperation in Science and Technology TIAS Office of Treaty Affairs August 30, 2017 Scientific and Technological Cooperation Protocols extending the agreement of January 31, 1979, as amended and extended. Signed at Beijing June 5 and 6, 2017; entered into force June 6, 2017. Signed at Beijing August 30, 2017; entered into force August 30, 2017. Download attachment [253 KB] Tags China International Law, Treaties, and Agreements Science and Technology