N.J. Stat. § 48:13-16
No corporation heretofore or hereafter incorporated under any act of the Legislature of this State for the purpose of constructing, maintaining and operating a system of sewers in any municipality of this State and which has constructed or shall construct sewers and is or shall be engaged in supplying sewerage service in any such municipality, or its successor municipality, shall abandon or cease to operate its property or cease furnishing safe, adequate and proper service to the public without the consent after hearing upon notice of the Board of Public Utility Commissioners. In case the period of existence of any such corporation, as set forth in its certificate of incorporation or any amendment or extension thereof, is limited or has expired or shall hereafter expire, such corporate existence may be extended, or renewed and continued, by the vote of two-thirds in interest of the stockholders of such corporation at a meeting of the stockholders called for such purpose, evidenced by the filing in the office of the Secretary of State of a certificate setting forth such action, signed by the president or a vice-president and the secretary or an assistant secretary of such corporation under its corporate seal and acknowledged or proved as in the case of a deed to real estate and verified by the oath of the secretary or an assistant secretary, and any such corporation which shall extend or renew and continue its corporate existence in the manner herein prescribed shall upon the filing of said certificate in the office of the Secretary of State be vested with all the rights, powers and privileges and subject to all the obligations, limitations and restrictions with respect to the maintenance, operation and extension of its works, mains, pipes, sewers, disposal plant or plants and appurtenances to the same extent and in the same manner as a corporation organized under the provisions of the act to which this act is a supplement, and any such corporation may lay its pipes and conduits beneath public roads, streets, avenues and alleys in accordance with any consent of the municipality theretofore given or any agreement with the municipality theretofore made, subject to such reasonable regulations as to the opening of streets or highways as may be imposed by such municipality. No such corporation shall be released of or from any duty or liability imposed upon it or existing at the time of filing the certificate of extension or renewal and continuation in the office of the Secretary of State.
N.J.S. § 48:13-16