N.J. Stat. § 19:34-47: Second offense; punishment.

A person who, having once been convicted of a violation of any of the provisions of this title, shall again be convicted of a violation of any of its provisions, whether such conviction be for the same offense or not, shall on such second conviction, be sentenced to a mandatory minimum term of imprisonment, without eligibility for parole, of one year for a crime of the fourth degree, of two years for a crime of the third degree and of five years for a crime of the second degree, unless the provisions of any other law provide for a higher mandatory minimum term.

Amended 2005, c.154, s.47.