In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. How do you write a retirement resignation letter?Use our sample retirement letter to get you started and some advice to help you make a graceful exit. State your desired retirement date (your last day) and your thoughts on a transition plan in the body of the letter. Please accept my resignation from Wayne Enterprises as Marketing Communications Director. My last day will be August 1, 2022. State your desired retirement date (your last day) and your thoughts on a transition plan in the body of the letter. Wishing you all the best in the future. Sincerely,. In the opening paragraph, make it clear that you are retiring. I didn't give a 'resignation letter', rather a separation letter with intent to retire.