N.J. Stat. § 2C:52-4
In all cases wherein a person has been found guilty of violating a municipal ordinance of any governmental entity of this State and who has not been convicted of any prior or subsequent crime, whether within this State or any other jurisdiction, and who has not been adjudged a disorderly person or petty disorderly person on more than two occasions, may, after the expiration of a period of 2 years from the date of his conviction, payment of fine, satisfactory completion of probation or release from incarceration, whichever is later, present a duly verified petition as provided in section 2C:52-7 herein to the Superior Court in the county in which the violation occurred praying that such conviction and all records and information pertaining thereto be expunged.
N.J.S. § 2C:52-4