Home2011 Treaties and Agreements ...Mexico (11-320) – Agreement on Emergency Management Cooperation in Cases of Natural Disasters and Accidents hide Mexico (11-320) – Agreement on Emergency Management Cooperation in Cases of Natural Disasters and Accidents TIAS Office of Treaty Affairs March 20, 2011 Civil Affairs, Emergencies & Defense: Emergency Management Agreement signed at Puerto Vallarta October 23, 2008; entered into force March 20, 2011. Download attachment [456 KB] Tags Civil Affairs Mexico Treaties