It shall be unlawful and a violation of this subchapter for any licensed store to offer for sale or sell milk or milk products at less than the variable cost thereof as defined in N.J.A.C. 2:53-6.2; but nothing in this section shall prevent a store from meeting the price or offer of a competitor for a product or products of like quality sold in similar quantities; provided, however, that the burden of proving and properly documenting the meeting of a competitive price shall rest with the licensee asserting the claim.
N.J. Admin. Code § 2:53-6.1