Lyndon Johnson actually said...
Now, Therefore, I, Lyndon B. Johnson, President of the United States of America, acting under the authority vested in me by the Constitution and the statutes, including Section 351(c) (2) of the Trade Expansion Act of 1962, and in accordance with Article XIX of the General Agreement on Tariffs and Trade, do proclaim that the remaining increased rates of duty on imports of sheet glass provided for in items 923.31 through 923.77 in Subpart A of Part 2 of the Appendix to the Tariff Schedules of the United States are extended to articles entered, or withdrawn from warehouse, for consumption during the period beginning on October 12, 1967, and ending at the close of December 31, 1969, unless the President proclaims otherwise pursuant to Section 351(c) (1) or (2) of the Trade Expansion Act of 1962.
Context
Proclamation 3816—Extension of Remaining Increased Duties on Imports of Sheet Glass
10/10/1967