N.J. Stat. § 27:14-23: Copy of all papers filed with commissioner

A true copy of the specifications, bid, contract, bond, justification of surety and summary of all bids received, including any rejected and the cause therefor, certified to be such by the director of the board of chosen freeholders, shall, immediately after the awarding of any contract, be furnished by the board of chosen freeholders to the commissioner to be filed and remain of record in his office.