Download Minnesota Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature. How to write a resignation letter that's effective immediately?In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Due to unforeseen personal reasons, I am unable to provide any notice. (For example, "I regret to inform you that I will be resigning from my position, effective immediately. Minnesota is an employment "at will" state. What is the Process for Resigning with Immediate Effect?