No person shall be qualified to bid on any public work contract with the board of education, the entire cost whereof will exceed $20,000.00, who shall not have submitted a statement as required by N.J.S. 18A:18A-28 within a period of one year preceding the date of opening of bids for such contract. Every bidder shall submit with his bid an affidavit that subsequent to the latest such statement submitted by him there has been no material adverse change in his qualification information except as set forth in said affidavit.
N.J.S. § 18A:18A-32