Due to unforeseen circumstances, I must resign. 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. Example: I'm writing to inform you of my decision to resign from my position as a park ranger with the National Park Service, effective May 1st. • Fill in the key return date whenever applicable. • For part-time faculty, the return date normally should be the end of the semester. 2. START HERE: Read instructions carefully before completing this form. Side Letter Agreement between. Contra Costa County Employees' Retirement Association. And. In the further opinion of Bond Counsel, interest on the.