This article will address how to write a retirement letter of resignation and provide an example that you can use as a template for your own retirement letter. Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce.In this article, we discuss how to write a retirement letter and we provide an example letter to help you draft your own. In the opening paragraph, make it clear that you are retiring. Your retirement resignation letter should begin with a header that states the contact information of the sender and addressee as well as the date. Learn how to write your retirement resignation letter with templates and samples to give your employer before leaving your job. Upon retirement, employees may be paid for one-half of their unused accumulated sick leave, up to a maximum of 40 days. Family and Medical Leave. This law is a disgrace. The election of multiple service may include the purchasing of past service that is required to complete the election.