Learn how to write a resignational letter if you're quitting for personal reasons. Termination is the separation of employment from the County of San Bernardino for the reason of voluntary resignation, dismissal, layoff or retirement.Fortunately, in California, you can receive unemployment benefits if you let go through no fault of your own. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Resign professionally and respectfully with our helpful guide. It follows the verbal notice you give your supervisor about quitting your job. Why should I write a resignation letter? Your reason for resigning is always personal, isn't it? Craft a concise, professional resignation letter.