I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. The formatting of a professional resignation letter should be brief and to the point.Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates. This sample resignation letter is available for use on UpCounsel. Use one of our resignation letter templates. This job aid describes the process for submitting your resignation letter. Use one of our resignation letter templates. A Resignation Letter is typically a formal document given to employers two weeks before an employee resigns from a role. I have grown both academically and personally. Dallas ISD no longer accepts the paper Notice of Separation (S54 Form).