Treaties and other international acts series 1587-1656 (with omissions). 1588. Trade, agreement between United Stater, and Republic of Philippines, signed Manila July 4, 1946, amended by exchange of notes signed Oct. 22, 1946. proclaimed by President of United States Dec. 17, 1946, proclaimed by President of the Philippines Jan. 1, 1947; supplementary Proclamation issued by President of United States Jan. 8, 1947; entered into force Jan. 2, 1947.