N.J. Stat. Ann. § 39:3-10.31

6. The Chief Administrator of the Motor Vehicle Commission may waive the written law and knowledge and road test portion of the examinations required for a motorcycle license or endorsement under R.S.39:3-10 for the holder of an examination permit who has successfully completed a motorcycle safety education course established under the provisions of section 1 of P.L.1991, c.452 (C.27:5F-36).