N.J. Stat. § 40A:14-106.3
Except as specifically provided, nothing contained in N.J.S. 40A:14-106 through N.J.S. 40A:14-117 shall apply to any county park police department or system, or the officers thereof, established pursuant to R.S. 40:37-154, R.S. 40:37-202, P.L. 1976, c. 90 (C. 40:32-2.6 et seq.), P.L. 1962, c. 120 (C. 40:37-95.40 et seq.), P.L. 1960, c. 135 (C. 40:37-261 et seq.), or any other law; but nothing contained in this act shall be construed to limit the power of the governing body of any county which has adopted the "Optional County Charter Law" (P.L. 1972, c. 154; C. 40:41A-1 et seq.) to reorganize its structure, pursuant to section 30 of P.L. 1972, c. 154 (C. 40:41A-30), including, but not limited to, the conversion of any county park police system previously established into a county police department under N.J.S. 40A:14-106 through N.J.S. 40A:14-117. No member of a county park police system which has been converted into a county police department pursuant to this law shall operate under a grant of general authority unless and until he has received the training required of regular municipal police officers.
N.J.S. § 40A:14-106.3