N.J. Stat. Ann. § 30:4-180

The annual minimum compensation of such officers shall be the sum of eighteen hundred dollars and the annual minimum compensation of such farmer guards shall be the sum of sixteen hundred dollars and such officers and farmer guards shall each year thereafter receive an increase of one hundred dollars per annum until the annual compensation of such officers shall reach the sum of twenty-four hundred dollars and of such farmer guards twenty-two hundred dollars, which shall be the maximum compensation of such officers and farmer guards.