N.J. Stat. § 2A:168-8
The judge authorized to appoint a chief probation officer or probation officers shall fix, by order under the hand of such judge, annual salaries to be paid such officers, and before any such order shall be made by such judge, notice of the time and place, when and where such order shall be considered, shall be given to the board of chosen freeholders of the county and such board shall be given an opportunity to be heard upon the same and such order shall be filed in the office of the County Clerk. The amounts so fixed shall be paid in equal semimonthly payments in the same manner as the salaries of other officers of the county.
The necessary and reasonable expenses of salaried probation officers incurred in the performance of their duties shall be paid out of the county treasury, after itemized statements of such expenses have been approved by the chief probation officer and the Assignment Judge of the Superior Court and filed in the office of the county treasurer. On request of the chief probation officer, the necessary traveling and maintenance expenses in attending probation officers' meetings and conferences of social work shall be included, when previously authorized by the judge authorized to appoint probation officers.
The salaries of employees appointed by the chief probation officer shall be fixed by the board of chosen freeholders in accordance with the schedules of the Civil Service Commission, and paid in the same manner as the salaries of probation officers.
N.J.S. § 2A:168-8