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.Gov or fill out form 2574. If you are considering resigning from the DOE, we strongly suggest contacting the union at 212-331-6311 to speak with a representative about your options. 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. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. INSTRUCTIONS: Fill out thisform completely, sign it, and include all required attachments. If additional space is needed, attach additional sheets. You may not receive a letter or email confirming your resignation. 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.