Standard Job Resignation Letter is a formal written notice of an employee's intention to depart from a job. Use this sample retirement resignation letter as inspiration to write your own farewell message with sincerity and warmth.Context: I'm senior director for midsize software firm. I'm giving notice on Monday, and last day with the firm to be Sept 13. Use an attractive header with your personal contact info, include the recipient's name, company and address, and include the date. In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. Download our sample retirement resignation letter to use in the future and to serve as motivation to plan for your retirement. The County provides retirement benefits for eligible employees through the Florida Retirement System (FRS). Give your employer at least two weeks' notice. Employees with a long tenure at the company typically give a month's notice or more.