Writing a formal letter of request may take some research. What you are requesting will determine what you say and the words you will use. You want to explain to the reader why you are making the request and the benefits that it hold. Stay on topic and restate the issue at lease 3 times in the request. Get more information on the web site
. rfptemplates.technologyevaluation.com/search/for/Formal-Letters-Request-for-Assistance.html.