Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Start with a two weeks notice letter.This will serve as a formal, written documentation of your intent to leave and your transition timeline. A two weeks' notice letter is essentially the same thing as a resignation letter. Please accept this letter as a notice of my resignation. In this article, we discuss what a retail resignation letter is, the key parts you should include in the letter and the steps to writing one. I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation. To leave your role on a professional note, learn how to write a resignation letter. As a bonus, check out our samples.