Uniform Title Treaties, etc. United States, 1997 Aug. 1 Title Investment treaty with Azerbaijan : message from the President of the United States transmitting treaty between the government of the United States of America and the government of Azerbaijan concerning the encouragement and reciprocal protection of investment, with annex, signed at Washington on August 1, 1997, together with an amendment to the treaty set forth in an exchange of diplomatic notes dated August 8, 2000, and August 25, 2000.