A resignation letter provides notice that you will leave a company. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference.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. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. I would like to inform you that I am resigning from my position as a key data operator for the Turner Agency, effective August 15.