Any contract the amount of which exceeds the bid threshold, may be negotiated and awarded by the governing body without public advertising for bids and bidding therefor and shall be awarded by resolution of the governing body if:
Whenever a contracting unit shall determine that a bid was not arrived at independently in open competition pursuant to subsection (3) of this section it shall thereupon notify the county prosecutor of the county in which the contracting unit is located and the Attorney General of the facts upon which its determination is based, and when appropriate, it may institute appropriate proceedings in any State or federal court of competent jurisdiction for a violation of any State or federal antitrust law or laws relating to the unlawful restraint of trade.
N.J.S. § 40A:11-5