Want to know how to write a retirement letter of resignation? Get the insights you need and free retirement letter template to help guide the way.In this article, we discuss how to write a retirement letter and we provide an example letter to help you draft your own. Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. In the opening paragraph, make it clear that you are retiring. In this post, we provide written 10 different retirement letter samples to use, so you're sure to find one that feels right for your situation. The employee must submit a written resignation letter to the Superintendent no later than the last business day of October of the contract year of retirement. Retirement is on the near horizon," he wrote in his resignation letter.