N.J. Stat. § 40A:11-45
Notwithstanding the provisions of any law to the contrary, a contracting agency of a county or municipality which has established a qualified small business enterprise set-aside program, a qualified veteran business enterprise set-aside program, a qualified minority business enterprise set-aside program or a qualified women's business enterprise set-aside program shall designate that a contract, subcontract or other means of procurement of goods, services, equipment, or construction be awarded to a qualified small business enterprise, a qualified veteran business enterprise, a qualified minority business enterprise or a qualified women's business enterprise, if a contracting agency is likely to receive bids from at least two qualified small business enterprises, qualified veteran business enterprises, qualified minority business enterprises or qualified women's business enterprises, as appropriate, at a fair and reasonable price.
Such designations shall be made prior to any advertisement for bids, if required. Once designated, the advertisement for bids, if necessary, shall indicate that the contract to be awarded is a qualified small business enterprise set-aside contract, qualified veteran business enterprise set-aside contract, a qualified minority business enterprise set-aside contract or a qualified women's business enterprise set-aside contract, as appropriate. All advertisements for bids shall be published in at least one newspaper which will best provide notice thereof to qualified small business enterprises, qualified veteran business enterprises, qualified minority business enterprises or to qualified women's business enterprises, as appropriate, sufficiently in advance of the date fixed for receiving the bids to promote competitive bidding, but shall not be published less than 10 days prior to that date.
N.J.S. § 40A:11-45