22 U.S.C. § 3621

It is the sense of the Congress that the best interests of the United States require that the President enter into negotiations with the Republic of Panama for the purpose of arranging for the stationing of United States military forces, after the termination of the Panama Canal Treaty of 1977, in the area comprising the Canal Zone before October 1, 1979, and for the maintenance of installations and facilities, after the termination of such Treaty, for the use of United States military forces stationed in such area. The President shall report to the Congress in a timely manner the status of negotiations conducted pursuant to this section.