Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.Use these resignation letter samples to formally notify an organization where you have a parttime job that you are you are submitting your resignation. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. It does not need to be very detailed, just your name, date of letter, say you quit and the last day of work (plus signature). Done. It is with regret that I must inform you of my resignation. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Instead, you're just confirming with your employer that you'll be downsizing the number of hours you work. Notice of resignation: State in plain language that the letter's purpose is to inform the employer of your resignation.