Home2004 Treaties and Agreements ...Oman (04-0707) – Agreement Concerning the Development of Trade and Investment Relations hide Oman (04-0707) – Agreement Concerning the Development of Trade and Investment Relations TIAS Office of Treaty Affairs July 7, 2004 Trade and Investment Agreement signed at Washington July 7, 2004; entered into force July 7, 2004. Download attachment [3 MB] Tags Oman Trade and Investment Treaties