How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.Northern Arizona University (the University) is requesting sealed Offers from short-listed. The invitation to submit Technical Proposals shall be issued according to MC1317 and shall contain the following information: 1. Completing the Supplier Registration does not guarantee that a supplier will be notified of potential Request for Proposal (RFP) and Invitation for Bid (IFB).