Home2021 Treaties and Agreements ...Ukraine (21-827) – Extension of Scientific and Technological Cooperation Agreement of December 4, 2006 hide Ukraine (21-827) – Extension of Scientific and Technological Cooperation Agreement of December 4, 2006 TIAS Office of Treaty Affairs August 27, 2021 Scientific and Technical Cooperation Effected by exchange of notes at Washington July 9 and October 2, 2019; entered into force August 27, 2021. With effect from May 26, 2019. Extension of agreement signed December 4, 2006: TIAS 09-526. Agreement previously extended April 11, 2016, November 21 and December 6, 2017: TIAS 17-1206. Download Agreement [290 KB] Tags International Law, Treaties, and Agreements Science and Technology Ukraine