31639.25. The normal rates of contributions shall be such as will provide an average annuity at age 50 equal to one one-hundredth of the final compensation of safety members, according to the tables adopted by the board of supervisors, for each year of service rendered after entering the system.
The provisions of this section shall supersede the provisions of Section 31639. 2.
(Added by Stats. 1967, Ch. 550.)