Following are detailed examples of minimum qualification criteria: A. A minimum of 3 years' experience successfully completing similar projects in wildland,. In this article, we discuss how to write a business proposal letter and we offer sample letters and templates you can use as a guide.Content and Format of Proposal. Proposals shall be concise, well organized and demonstrate qualifications and applicable experience. Request for Proposals Overview: The purpose of this RFP is to describe the requirements of Chad. To submit a business reference, make additional copies of the blank form, which is available from the Call for Business Plans website, and complete one form per. A business proposal letter is a document sent to a prospective client or partner, introducing your services or requesting an opportunity.