Resignation acceptance letter template. Download Minnesota Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature.In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. Be Clear and Concise: Clearly state the acceptance of the resignation, the final working day, and any other relevant details. Customer: I gave my letter of resignation to HR. The school board voted to not let me out of my contract.