N.J. Stat. Ann. § 39:6-63.1

Any assessment made under the provisions of subparagraph (2), of paragraph (d) of section 3 of the act of which this act is amendatory which has not been collected prior to the effective date of this act, is hereby rescinded and shall not be collected. Every person registering an uninsured motor vehicle in this State, during the period commencing June 1, 1956 and ending May 31, 1957, shall pay at the time of registering the same, in addition to any other fee prescribed by any other law, a fee of $8.00.