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. You must provide a letter of resignation to your HR department before you can retire.Your retirement resignation letter should begin with a header that states the contact information of the sender and addressee as well as the date. In the opening paragraph, make it clear that you are retiring. Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce. If you terminate your employment with your ACERA participating employer, you will have an important choice to make regarding your ACERA retirement benefits. This stepbystep guide shows you how to write a retirement letter to your employer. It also includes FREE templates and examples to help you take action! Providers will complete the timesheets based on the authorized hours they provided care to the IHSS recipient. General Managers let's write your resignation letter!