Revises the Federal export standards for grapes and plums by providing that it shall be unlawful for any person to ship or offer for shipment or for any carrier, or any steamship company, or any person to transport or receive for transportation to any foreign destination, except as provided in this chapter, any grapes or plums of any variety in packages which are not accompanied by a certificate issued under authority of the Secretary of Agriculture showing that such grapes or plums are of a Federal or State grade which meets the minimum of quality established for such variety and destination by the Secretary for shipment in export to such destination. (Revises 7 U.S.C. 591)