We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Resignation acceptance letter template.You might simply say, "I was recently offered a new position" or, even more simply, "I am writing to confirm my resignation. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. It is with regret that I formally acknowledge receipt of your resignation notice on July 18th. Add contact details, company name, and date. If the required piece is not available (e.g.