Use oneinch margins for all sides of the letter. Use one of our resignation letter templates.The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. This sample resignation letter is available for use on UpCounsel. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. There are several components to a successful resignation letter. We've prepared several resignation letter samples and templates for crafting a concise yet professional resignation letter. A Resignation Letter is typically a formal document given to employers two weeks before an employee resigns from a role. Share this document.