N.J. Ct. R. 1:20-22

(a) Generally. A resignation without prejudice from the bar of this state of a member in good standing shall be submitted through the Director and may be accepted by the Supreme Court, provided that at the time of its submission, the member presents satisfactory proof that no disciplinary or criminal proceedings are pending in any jurisdiction and that, if the attorney has actively engaged in the practice of law in this state in the preceding two years, all clients for whom the attorney has performed any professional services or by whom the attorney has been retained during that time in this state have been notified of the resignation.

(b) Form. A resignation without prejudice submitted pursuant to this rule shall be in a form approved by the Director, Office of Attorney Ethics, and shall set forth the reason for the resignation. It shall be accompanied by an affidavit in the form approved by the Director.

(c) Effect. On acceptance of the resignation, which shall be by order of the Supreme Court, the membership in the bar of this state shall cease, and any subsequent application for membership shall be in accordance with the provisions of Rule 1:24. An attorney whose resignation without prejudice from the bar is accepted by the Supreme Court shall cease the practice of law in this state as of the effective date of the order of acceptance. A resignation shall not affect the jurisdiction of the disciplinary system with regard to any unethical conduct that occurred prior to resignation.