Act of 1974 ( 42 U.S.C. 5306(b)(1) ) to metropolitan cities (as defined in section 102(a)(4) of such Act ( 42 U.S.C. 5302(a)(4) ), including metropolitan cities that have relinquished or deferred their status as a metropolitan city as of the date of enactment of this Act: Provided , That $87,500,000,000 of the funds provided under this subparagraph shall be paid not later than 30 days after the date of enactment of this Act: Provided further , That $43,750,000,000 of the funds provided under this subparagraph shall be paid not earlier than April 15, 2021, but not later than May 3, 2021