Home2015 Treaties and Agreements ...Uruguay (15-818) – Agreement Regarding Mutual Assistance Between Customs Administrations hide Uruguay (15-818) – Agreement Regarding Mutual Assistance Between Customs Administrations TIAS Office of Treaty Affairs August 18, 2015 Law Enforcement: Customs Agreement signed at Washington May 13, 2014; entered into force August 18, 2015. Download attachment [980 KB] Tags Law Enforcement Treaties Uruguay