N.J. Stat. § 39:4-197.4
Notwithstanding the provisions of the chapter to which this act is a supplement, or any supplement to said chapter, no ordinance adopted by any municipality designating any street or streets under the jurisdiction of any such municipality for angle parking shall require the approval of the Commissioner of the State Department of Transportation or of any other State officer or employee, and any such ordinance shall be of full force and effect from the date of its adoption or from any effective date prescribed therein if the street or streets designated in said ordinance have been marked or signed for angle parking by the municipality for a period of not less than 10 consecutive years prior to the adoption of the said ordinance or for a period not less than any 20 years during which such street or streets have been under the jurisdiction of the municipality.
N.J.S. § 39:4-197.4