what does the first provision of the war powers resolution state
The War Powers Resolution (P.L. 93-148) was passed over the veto of President Nixon on November 7, 1973, to provide procedures for Congress and the President to participate in decisions to send U.S. Armed Forces into hostilities.
The War Powers Resolution is sometimes referred to as the War Powers Act, its title in the version passed by the Senate. This Joint Resolution is codified in the United States Code (USC) in Title 50, Chapter 33, Sections 1541-48 (external link) .