Gov or fill out form 2574. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.Resignation letters are professional courtesies that extend your professionalism, even in the last days of current employment. 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. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.