N.J. Stat. Ann. § 40A:1-8

If any chapters of Title 40A, or any section or provision thereof, shall be declared to be unconstitutional, invalid or inoperative, in whole or in part, by a court of competent jurisdiction, such chapter, section or provision shall, to the extent that it is not held to be unconstitutional, invalid or inoperative, be enforced and effectuated, and no such determination shall be deemed to invalidate or make ineffectual the remaining provisions of the said chapter or section of said Title.