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 one of our resignation letter templates.In this article, we discuss how to write a retirement letter and we provide an example letter to help you draft your own. How do you write a retirement resignation letter? Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. Your retirement resignation letter should begin with a header that states the contact information of the sender and addressee as well as the date. This manual is designed to assist hiring managers with appropriate hiring processes and Human Resources practices. In the opening paragraph, make it clear that you are retiring. "Resignation" defined.