An Act amending the act of June 24, 1968 (P.L.237, No.111), referred to as the Policemen and Firemen Collective Bargaining Act, further providing for right to collectively bargain, for duty to exert reasonable efforts, for commencement of collective bargaining, for board of arbitration, for notice, for powers and procedures, for determination of board of arbitration, for costs and expenses, for applicability, for severability, for repeals and for effective date; and making editorial changes.