Uniform Title Convention on the Establishment of an Inter-American Tropical Tuna Commission (1949). Protocols, etc., 1999 June 11. Title Protocol amending 1949 Convention of Inter-American Tropical Tuna Commission : message from the President of the United States transmitting protocol to amend the 1949 Convention on the Establishment of an Inter-American Tropical Tuna Commission, done at Guayaquil, June 11, 1999, and signed by the United States, subject to ratification, in Guayaquil, Ecuador, on the same date.