Home2019 Treaties and Agreements ...Korea (19-1226) – Extension of Scientific and Technical Cooperation Agreement of July 2, 1999 hide Korea (19-1226) – Extension of Scientific and Technical Cooperation Agreement of July 2, 1999 TIAS Office of Treaty Affairs December 26, 2019 Scientific and Technical Cooperation Exchange of Notes at Washington December 5 and 26, 2019; entered into force December 26, 2019. Extension of agreement done July 2, 1999: TIAS 99-702 Download Agreement [186 KB] Tags Scientific and Technological Cooperation South Korea Treaties