10/17/1988
https://www.presidency.ucsb.edu...
"The amendments made by paragraph (1) of this Proclamation shall be effective with respect to articles both: (i) imported on or after January 1, 1976, and (ii) entered, or withdrawn from warehouse for ..."
"The procedures address legitimate areas of concern to the Congress and the Executive, and they have my full support."
"Greater cooperation in this critical area will be of substantial benefit to our country."
"I know the letter that I'm giving to each of you reflects serious work and intense work by you and my senior advisers, and I'm most grateful for your efforts."