Home2012 Treaties and Agreements ...Samoa (12-602) – Agreement Concerning Operational Cooperation to Suppress Illicit Transnational Maritime Activity hide Samoa (12-602) – Agreement Concerning Operational Cooperation to Suppress Illicit Transnational Maritime Activity TIAS Office of Treaty Affairs June 2, 2012 Maritime Matters: Interdiction Agreement signed at Apia June 2, 2012; entered into force June 2, 2012. Download attachment [605 KB] Tags Maritime Matters Samoa Treaties