You want to give at least a two weeks' notice. Learn how to craft a professional resignation letter without notice with our guide.To quit, write a simple letter addressed to your supervisor that says nothing more than you are resigning, and which day will be your last. 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. An emergency resignation letter is a polite letter given to a business or organization that states that an employee must terminate their employment abruptly. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. In this case I would offer a 1 or 2 weeks notice time for you to get your affairs in order. Provide a general explanation for your resignation without offering details that don't concern your current employer. Be brief and stay positive.