Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.Ensure the most current form has been submitted. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Human Resources Side Letters - San Bernardino City Unified School District. Keep your letter short and sweet. Even if you harbor resentment toward the company or your supervisor, focus on the positive, and leave the emotion out of it. • Ability to understand and carry out oral and written directions.