Home1991 Treaties and Agreements ...Singapore (91-1011) – Agreement Concerning a Framework of Principles and Procedures for Consultations Regarding Trade and Investment Relations hide Singapore (91-1011) – Agreement Concerning a Framework of Principles and Procedures for Consultations Regarding Trade and Investment Relations TIAS Office of Treaty Affairs October 11, 1991 Trade and Investment Agreement signed at Singapore October 11, 1991, with annex; entered into force October 11, 1991. Download attachment [2 MB] Tags Singapore Trade and Investment Treaties