N.J. Stat. § 39:3-9a
Each driver's license issued pursuant to R.S. 39:3-10 shall have the legal name of the licensee endorsed thereon in his own handwriting. For purposes of this section, legal name shall mean the name recorded on a birth certificate unless otherwise changed by marriage, divorce or order of court. The director may require that only the legal name be recorded on the driver's license. A person who has been issued a driver's license pursuant to R.S. 39:3-10 whose name is changed due to marriage, divorce or by order of court shall notify the director of the change in name within two weeks after the change is made.
A person who fails to notify the Director of the Division of Motor Vehicles of a change in name as required in this section shall be subject to a fine. A person who is fined under this section for a violation of this section shall not be subject to a surcharge under the New Jersey Merit Rating Plan as provided in section 6 of P.L. 1983, c.65 (C.17:29A-35).
For the purposes of this section, a digitized signature image shall constitute a licensee's signature in his own handwriting. A digitized signature image is an electronic representation of a person's written signature.
N.J.S. § 39:3-9a