Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline.This notarized letter is my formal resignation from the Church of Jesus Christ of Latterday Saints and is effective immediately. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. You'll want to have three copies of the letter to send out. Explore why a good resignation letter is important and how to write it, and check out our free resignation letter examples. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. In most cases, it is important to have the employee confirm their resignation in writing. • By Fax: 1-224-813-5220.