N.J. Stat. § 40A:9-118
In counties having criminal identification bureaus in the office of the sheriffs of said counties, the board of chosen freeholders, by resolution, shall provide for the appointment and duties of the personnel of said bureau which may include according to the determination of the said board, supervisors, chief identification officer, deputy chief identification officers, identification officers, identification clerks and junior identification clerks. The board of chosen freeholders of said counties, by resolution, and upon recommendation of the sheriff shall adopt a schedule of minimum and maximum annual salaries for said personnel and provide for the payment of said salaries in semimonthly installments by the county treasurer or in the same manner as other county employees are paid. Annual increases or increments in their compensation may be provided for.
Nothing contained herein shall be deemed to reduce the amount of any salaries being presently paid to the personnel of the criminal identification bureaus in said counties.
N.J.S. § 40A:9-118