An Act amending Title 71 (State Government) of the Pennsylvania Consolidated Statutes, further providing for actuarial cost method, for mandatory and optional membership, for retention and reinstatement of service credits, for classes of service, for election to become a Class C-1 member, for transfer of accumulated deductions, for single life annuities, for multiple service membership and for members' savings account; and further providing for termination of annuities, for contributions by the Commonwealth and other employers and for actuarial cost method.