RESPONSE FORMAT: All Proposal responses are to be in the same form as this Request for Proposal. Complete and return the attached City of Maricopa Substitute W9 form.The Maricopa Association of Governments (MAG) is requesting proposals from qualified consultants for the. ▫ Offeror(s) should complete the entire questionnaire section of the Request for. Proposal. The offerors responses should be in the form of a brief written. How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document. "Solicitation" means this procurement solicitation, which State is issuing as either: 1. An invitation for bids ("IFB") under A.R.S. § 41-2533;. 2.