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?Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. How to write a resignation letter, what to say, and what not to. Find examples for different situations and a customizable letter of resignation template. Please accept this letter as my formal resignation. Today will be my last day of work. Minnesota is an employment "at will" state. (For example, "I regret to inform you that I will be resigning from my position, effective immediately.