Convention between the United States of America and certain other American republics respecting the Inter-American Indian Institute. Opened for signature at Mexico City from November 1 to December 31, 1940; signed for the United States of America November 29, 1940; ratification advised by the Senate of the United States May 26, 1941; ratified by the President of the United States June 6, 1941; ratification of the United States of America deposited with the Government of Mexico August 1, 1941; proclaimed by the President of the United States February 12, 1942.