How to write a resignation letter that's effective immediately? In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started.A wellwritten letter explaining your circumstances is helpful when you're resigning without giving notice. I would like to inform you of my intention to resign from my position as XXX at XXX effective DATE. This letter informs your employee that you must depart right away without the standard two weeks' notice. Short, polite, to the point. "This note is to inform you that I have chosen to end my employment with XXXXX, effective immediately (today's date)." Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. You can leave the company without notice period after fighting with HR and your manager,but thats not a good thing.