Be direct and to the point and, in the first sentence, acknowledge the receipt of their letter of resignation and formally accept it. Learn how to write a response to a resignation letter and use our examples and template to help you write your own.I regretfully have to inform you that, after much thought, I have decided to resign and please accept this letter as a formal notice of my resignation. In the case of accepting a resignation, for example, the board is free to insert "with regret" in the actual motion, after the word accepts. Go in person to see your former boss and say you regret quitting. Ask if you've been replaced. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. How to Write this Acceptance Letter: Expert Tips and Guidelines. Always accept a resignation with dignity and a positive tone, no matter what the circumstances.