How to write a resignation letter that's effective immediately? Learn how to craft a professional resignation letter without notice with our guide.Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. 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. Learn how to write a professional two weeks notice letter with our easytouse template. Use this checklist to determine what steps to take when you separate from UC San Diego. There comes a time in every rental agreement when you want to move out.