Home2013 Treaties and Agreements ...Economic Community of Central African States (13-115) – Agreement Regarding Defense Articles, Related Training, and Other Defense Services hide Economic Community of Central African States (13-115) – Agreement Regarding Defense Articles, Related Training, and Other Defense Services TIAS Office of Treaty Affairs January 15, 2013 Defense Agreement effected by exchange of notes at Libreville October 18, 2012 and January 15, 2013; entered into force January 15, 2013. Download attachment [354 KB] Tags Defense Treaties