In this article, we discuss how to write a retirement letter and we provide an example letter to help you draft your own. This letter serves as formal notification of my retirement from Acme Co., beginning August 31, 2022.Use this resignation letter sample as a model to advise your employer that you are resigning because you are leaving the workforce. I am writing to formally announce my retirement from my position as Senior Marketing Manager with BluWave, effective April 30, 2050. In the opening paragraph, make it clear that you are retiring. Simple resignation letter and email message samples to use to quit a job, as well as tips for what to write and how to resign.