Home2007 Treaties and Agreements ...Bulgaria (07-116.1) – Additional Protocol Amending Investment Treaty hide Bulgaria (07-116.1) – Additional Protocol Amending Investment Treaty TIAS Office of Treaty Affairs January 16, 2007 Trade and Investment Additional Protocol amending the treaty of September 23, 1992 (94 602 [14 MB]). Signed at Brussels September 22, 2003; Transmitted by the President of the United States of America to the Senate January 21, 2004 (Treaty Doc. 108-15, 108th Congress, 2d Session); Reported favorably by the Senate Committee on Foreign Relations April 29, 2004 (Senate Executive Report No. 108-13, 108th Congress, 2d Session); Advice and consent to ratification by the Senate May 6, 2004; Ratified by the President December 21, 2006; Ratifications exchanged at Sofia January 16, 2007; entered into force January 16, 2007. Download attachment [463 KB] Tags Bulgaria Trade and Investment Treaties