In most cases a two-week notice is more than ample time to start the transition process. Please accept this as my formal resignation from —— .Are you getting ready to leave your job? Here's how to write a professional two weeks' notice resignation letter, with examples. Note when your last day of work will be in the letter, and if possible, try to provide at least two weeks' notice before your departure. No advance notice of termination or resignation is required. Although a verbal resignation is sufficient for many employers, a resignation letter is more formal. Because I'm more articulate in writing than verbally, I write a resignation letter and hand the boss a hard copy in a sealed envelope. The customary procedure when you decide to quit a professional job is to give your boss two weeks' notice of your departure. At-will employees can quit at any time, due to any circumstance — although two weeks' advance notice is usually the expectation.