Convention and protocol between the United States of America and Great Britain and Iraq defining the rights of the United States of America and of its nationals in Iraq. Signed at London, January 9, 1930; ratification advised by the Senate, April 22, 1930; ratified by the President, April 28, 1930; ratified by Great Britain, February 20, 1931; ratified by Iraq, February 2, 1931; ratifications exchanged at London, February 24, 1931; proclaimed, March 11, 1931.