New Jersey Statutes Title 44. Poor 44 § 8-133

(a) In any municipality, in which the “preceding year's public assistance millage” for such year is more than 7.0 mills, which shall make application in writing to him, on or before the first day of March of such year, to have him take over the administration of public assistance in such municipality for such year, and

(b) In any municipality in which public assistance was being administered by him during the preceding year, which does not elect to administer its own public assistance by giving notice to that effect to the commissioner as provided in this act; and, in either case, public assistance shall be administered in such municipality as hereinafter provided.