Home2019 Treaties and Agreements ...Ukraine (19-806) – Extension of Agreement of October 25, 1993, as Amended and Extended hide Ukraine (19-806) – Extension of Agreement of October 25, 1993, as Amended and Extended TIAS Office of Treaty Affairs Nuclear Energy: Safety Exchange of Notes at Kyiv November 17, 2018 and August 6, 2019; entered into force August 6, 2019. With effect from October 25, 2018. Extension of agreement signed October 25, 1993. Agreement previously amended and extended June 30 and July 29, 1999, July 24 and September 18, 2003, July 19, December 8 and 15, 2006 and December 24 and 27, 2013. Download Agreement [417 KB] Tags Nuclear Energy Treaties Ukraine