Section 129.313 - Ineligibility of Iran linked business to submit request for proposal bid; certification(1) Beginning April 1, 2013, an Iran linked business is not eligible to submit a bid on a request for proposal with a public entity.(2) Beginning April 1, 2013, a public entity shall require a person that submits a bid on a request for proposal with the public entity to certify that it is not an Iran linked business.Added by 2012, Act 517,s 3, eff. 4/1/2013.