... the salary at the time or times it is paid, . . ." N.J.S.A. 43:15A-157(b). After enactment of the legislation, the Board turned to ... to the Board the power to establish the contribution rate. N.J.S.A. 43:15A-157(b). By contrast, the contribution rates for all other PERS members are set by statute. N.J.S.A. 43:15A-157(b). As of July 1, 2007, the contribution rate of ...