N.J. Stat. Ann. § 39:5-6

All acts, whether in connection with the taking of complaints, issuing of process, return thereof, taking of bail for appearance or committing to custody for failure to deposit such bail and all proceedings preliminary to trial, including the arraignment, taking of plea and postponement of trial and all ministerial acts and proceedings subsequent to trial, may be performed by the clerk or deputy clerk of a magistrate, and the jurisdiction so to do with respect to a violation of this subtitle is hereby conferred.