N.J. Stat. § 17:12B-45
The failure of a State association to open and operate a relocated principal office within 6 months after the commissioner approves the application therefor, shall automatically terminate the right of the State association to open such relocated principal office, except that, for good cause shown, the commissioner may, in his discretion, on application of the State association, extend for additional periods, not in excess of 6 months each, the time within which such relocated principal office may be opened, provided that the initial application shall be made before the expiration of 6 months from the date authority is granted to relocate such principal office and any subsequent application shall be made before the expiration of any subsequent period for which permission to extend has been granted by the commissioner.
N.J.S. § 17:12B-45