Home2012 Treaties and Agreements ...Mexico (12-1128) – Agreement Amending Annex III of the Agreement Concerning Cooperation for the Protection and Improvement of the Environment in the Border Area hide Mexico (12-1128) – Agreement Amending Annex III of the Agreement Concerning Cooperation for the Protection and Improvement of the Environment in the Border Area TIAS Office of Treaty Affairs November 28, 2012 Environment and Conservation: Border Area Agreement amending Annex III agreement of August 14, 1983. Agreement effected by exchange of notes at Mexico City September 6 and November 28, 2012; entered into force November 28, 2012. Download attachment [280 KB] Tags Environment Mexico Treaties