Home1990 Treaties and Agreements ...Ecuador (90-723) – Agreement Concerning a Council on Trade and Investment hide Ecuador (90-723) – Agreement Concerning a Council on Trade and Investment TIAS Office of Treaty Affairs July 23, 1990 Trade and Investment Agreement signed at Washington July 23, 1990; entered into force July 23, 1990. With Annex. Download Agreement [946 KB] Tags Ecuador Trade and Investment Treaties Treaties and International Agreements