1 Wait 24 hours. 2 Start with a salutation <br />3 Begin your letter by complimenting something that the recipient has done that has impressed you. <br />4 Craft a clear, concise paragraph outlining what he or she did wrong. <br />5 Acknowledge, if appropriate, that the offence may have been inadvertent or that you might have misunderstood something. <br />6 Offer solutions to prevent this mistake from happening in the future. <br />7 State clearly the results you would like from this letter. <br />8 As appropriate, offer your assistance, reiterate that you hope to continue working with the person, and that you appreciate the other things that he/she has done. <br />9 Summarize the letter and sign your name.