EGYPT AUTHORIZED TO BUY PL-480 WHEAT - USDA Egypt has been authorized to purchase about 200,000 tonnes of U.S. wheat under an existing PL-480 agreement, the U.S. Agriculture Department said. It may buy the wheat, valued at 22.0 mln dlrs, between April 15 and August 31, 1987, and ship it from U.S. ports by September 30, the department said.