Uniform Title Second Protocol of Amendment to the Agreement between the Government of the United States of America and the Government of the United Mexican States Concerning the Establishment of a Border Environment Cooperation Commission and a North American Development Bank (2017 January 17) Title Environment and conservation : cooperation : second protocol between the United States of America and Mexico amending Agreement of November 16 and 18, 1993 ; signed at Washington and Mexico City, January 17 and April 18, 2017 with appendix