What is a bid opportunity? The purpose of this Request for Proposal is to solicit applications from eligible nonprofits to provide.The FCEDA will issue a Request for Proposal (hereinafter. Informal Bid Request. Failure to provide documentation with the Offeror's response to the RFP will result in the disqualification of the. Offeror's proposal. 17. Use the links below to download and fill out the affidavit form to be included with the application. Proposals should be organized in the order in which the requirements are presented in the RFP. All pages of the proposal should be numbered. Fairfax County strongly encourages offerors to submit proposals well in advance of the proposal submission deadline.