International Wheat Agreement. Open for signature at Washington March 23-April 15, 1949; signed for the United States of America March 23, 1949; ratification advised by the Senate of the United States of America June 13, 1949; ratified by the President of the United States of America June 17, 1949; instrument of acceptance of the United States of America deposited at Washington June 17, 1949; proclaimed by the President of the United States of America August 1, 1949; entered into force July 1, 1949, with respect to Parts 1, 3, 4, and 5; entered into force August 1, 1949, with respect to Part 2.