A resignation acceptance letter is a formal way to acknowledge that you accept your employee's request to resign. Acceptance of Verbal or Written Resignation.File Category. Resignation. Learn how to write a professional resignation acceptance letter with our helpful guide. Understand termination letter and separation notice requirements for each applicable U.S. state with this helpful guide to stay compliant. Please accept this message as my formal notice of resignation. I am fortunate to have received a long awaited opportunity that I cannot pass up. Template for an employer to acknowledge an employee's resignation. Arizona has been addressed in the past.