A Request for Proposals (RFP) from the Minnesota Department of Commerce is a formal invitation to potential contractors or grantees to submit a proposal. All requirements and information, as well as proposal delivery instructions are contained in the RFP.General guidelines on how to prepare and submit a bid: Complete and include all required forms. Complete this extension request form explaining your request. Submit the form before the due date. Let us know you are interested in a bid or RFP to receive notifications of any changes. In order to submit a bid for a transportation project on One Office, potential bidders will need to follow the below steps. Sign up or login with ConneX. List of bidders and total bid amounts for each project in a letting. Minnesota law requires that, in order to transact business in the.