Agreement and protocol between the United States of America and other powers respecting regulation of production and marketing of sugar. Signed at London May 6, 1937; ratification advised by the Senate of the United States of America, subject to a reservation, December 20, 1937; ratified by the President of the United States of America, subject to said reservation, March 22, 1938; ratification deposited April 4, 1938; proclaimed by the President of the United States of America April 20, 1945; effective September 1, 1937. Protocol enforcing and prolonging the agreement signed at London July 22, 1942; proclaimed by the President of the United States of America April 20, 1945. And additional protocol signed at London August 31, 1944; ratification advised by the Senate of the United States of America December 6, 1944; ratified by the President of the United States of America March 9, 1945; ratification deposited April 13, 1945; proclaimed by the President of the United States of America April 20, 1945.