How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.Here you can find out about business opportunities, permits, records request, and real estate services. Completing the Supplier Registration does not guarantee that a supplier will be notified of potential Request for Proposal (RFP) and Invitation for Bid (IFB). Through this portal, Suppliers are able to view solicitations and associated documents, submit bids and proposals and ask questions. These links will connect you with the latest transportation-related bid and procurement opportunities from ADOT and a variety of state and local agencies. When procuring property and services under a Federal award, a state must follow the same policies and procedures it uses for procurements. After contract award, the contractor shall complete the. Vendor Registration Form located on the County Department of Finance Vendor.