N.J. Stat. Ann. § 45:22-22

Notwithstanding the provisions of N.J.S.2C:21-19 to the contrary, a pawnbroker shall not charge or receive interest on a loan in excess of 4.5% per month or a fraction thereof, except that he may charge $1.50 where the interest herein amounts to less. In no event shall any other charges be made for any reason whatsoever, except as permitted by the Commissioner of Banking and Insurance.