An Act amending the act of July 20, 1979 (P.L.183, No.60), entitled "An act regulating the terms and conditions of certain leases regarding natural gas and oil," further providing for validity of leases and guaranteeing a royalty; adding definitions; providing for apportionment; further providing for commencement of guaranteed royalty; providing for payment information to interest owners and for accumulation of proceeds from production; and making editorial changes.