N.J. Stat. § 56:8-24
The Director of the Division of Consumer Affairs in the Department of Law and Public Safety may by regulation, and in each instance after public hearing, provide for the manner in which price per measure shall be calculated and displayed, establish and modify a list of commodities exempt from the provisions of this act, and define the classes of retail establishment exempted from the requirements of this act; provided that in no case shall persons with annual gross receipts from the sale of consumer commodities in the preceding tax year of more than $2 million from all retail establishments with a total floor area of more than 4,000 square feet each be exempt from the provisions of this act, and provided further that the director, in promulgating unit-pricing regulations, shall not exempt consumer commodities or retail establishments from the provisions of this act except where compliance therewith would be impractical, unreasonably burdensome or unnecessary for adequate protection of consumers. The Director of the Division of Consumer Affairs shall maintain at all times and make public a clearly defined list of specific commodities exempt from the provisions of this act and of all classes of retail commodities and all classes of retail establishments required to be in compliance with this act and any regulations issued hereunder.
N.J.S. § 56:8-24