N.J. Stat. § 39:3-28
The director shall cause all applications for registration and drivers' licenses to be indexed, and any original application or copy thereof certified to be a true copy under the hand of the director shall be received as evidence in any court to prove the facts contained therein. For each uncertified copy so issued the director shall collect a fee of $8 and for each certified copy so issued the director shall collect a fee of $10. The indexing and copying of these applications shall meet the standards and requirements established in regulation by the Secretary of State for the maintenance and preservation of records.
The director may destroy all records of registration certificates or drivers' licenses and their indices after having made copies of such records in accordance with standards and requirements established in regulation by the Secretary of State for the maintenance and preservation of records. Such copies made in accordance with standards and requirements established in regulation by the Secretary of State for the maintenance and preservation of records may be destroyed when they have been on file in the office of the director for a period of three years after the date of expiration of the registration certificates and drivers' licenses.
N.J.S. § 39:3-28