... salary for purposes of the Lifeguard Pension established pursuant to N.J.S.A. 43:13-23 to -29. In a written decision dated July 14, 2004 ... pensions at issue here are authorized and required by statute. N.J.S.A. 43:13-23 to -29; see City of Cape May v. Colosi , 325 ... continuously in such service, may . . . be retired upon half pay. N.J.S.A. 43:13-23 defines the critical statutory terms. "'[A] year of service' shall ... seasons during which the "life guard force is normally employed." N.J.S.A. 43:13-23. But an employee's pension is based upon the salary ... has not adopted rules relevant to this question. See also N.J.S.A. 43:13-23 (where a lifeguard's "salary is payable on a per ...