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. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. To write a good and simple resignation letter, greet your manager formally, then state your intent to resign and the date you'll officially depart. This notarized letter is my formal resignation from the Church of Jesus Christ of Latterday Saints and is effective immediately.