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. Employee ID. Rcd No. Last Name, First Name. Department.In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. An employee wishing to leave in good standing shall file a written resignation with the appointing authority in the form of a Resignation Notice or a letter. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.