How to write a resignation letter that's effective immediately? Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template.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. I am writing to inform you of my resignation from the Marketing Assistant position at Company A. Today will be my last day of work. Minnesota is an employment "at will" state. Download Minnesota Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.