N.J. Stat. Ann. § 2B:24-5

5. A municipal public defender shall receive compensation, either on an hourly, per diem, annual or other basis as the municipality may provide. In the case of a joint municipal court, participating municipalities, by similar ordinances, shall enter into an agreement fixing the compensation of the municipal public defender and providing for payment. The compensation of a municipal public defender for services rendered pursuant to the provisions of this act shall be in lieu of any and all other compensation by the municipality. The ordinance, resolution or agreement setting compensation shall set forth any additional compensation to be paid for interlocutory appeals in the Superior Court.