Home2007 Treaties and Agreements ...Latvia (07-1203) – Agreement for Cooperation in the Prevention of Illicit Trafficking in Nuclear and Other Radioactive Material hide Latvia (07-1203) – Agreement for Cooperation in the Prevention of Illicit Trafficking in Nuclear and Other Radioactive Material TIAS Office of Treaty Affairs December 3, 2007 Nonproliferation: Nuclear Material Agreement signed at Riga December 3, 2007; entered into force December 3, 2007. Download attachment [457 KB] Tags Arms Control and Nonproliferation Latvia Nonproliferation Treaties