Home1997 Treaties and Agreements ...Colombia (12835) – Agreement to Suppress Illicit Traffic by Sea hide Colombia (12835) – Agreement to Suppress Illicit Traffic by Sea TIAS Office of Treaty Affairs March 14, 1997 Law Enforcement: Narcotic Drugs Agreement effected by exchange of notes at St. George’s December 23, 1996 and March 14, 1997. Download attachment [220 KB] Tags Colombia Law Enforcement Treaties