To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. Please accept this letter as a notice of my resignation.Use one of our resignation letter templates. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. 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. To leave your role on a professional note, learn how to write a resignation letter. As a bonus, check out our samples. Use oneinch margins for all sides of the letter. Basically, your co-workers are looking out for themselves in this case.