How To Write A Formal Letter Signing Off On Plans . Begin the complimentary closing on a new line after the last paragraph of the body of your message. Also, avoid those huge signatures or advertising banners. Letter Of Financial Support Template New 40 Proven Letter Of Support from www.pinterest.com Dear johnson family, or dear aunt bev and uncle sam, or dear hilary, 2. Once you have chosen a word or phrase to use as a sendoff, follow it with a comma, some space, and then include your signature. Write your name and contact information.