Such amount shall be prorated to each pay period, beginning with the pay period during which this amendatory act becomes effective and continuing thereafter, subject, however, to the provision that no such amount shall be paid in violation of Presidential Executive Order 11615, and any subsequent rules and regulations thereto covering the period only from 12:01 A.M. on August 16, 1971 to midnight November 13, 1971.
46 P.S. § 42.152