Sugar. Regulation of production and marketing of sugar, agreement and protocol between United States and other Powers, signed London, May 6, 1937, proclaimed Apr. 20, 1945, effective Sept. 1, 1937; protocol enforcing and prolonging agreement, signed London July 22, 1942, proclaimed Apr. 20, 1945; and additional protocol, signed London Aug. 31, 1944, proclaimed Apr. 20, 1945.