How To Write A Notification Of Retirement Letter . You should start the letter by talking about the person from a professional aspect. So if you’re going to make a retirement notification letter, then you must include the following: 17 Sample Useful Retirement Letters to Download Sample Templates from www.sampletemplates.com If the letter is being sent digitally, upload your digital signature to the document. Retirement letter sample #03 dear employer, as you may be aware, i have decided to retire from my position effective immediately. You may want to send an email to your friends and family about your decision.