You want to give at least a two weeks' notice. You never need acceptance, though it would be comforting to know your employer received your notice.Bad for you more than employer. Once you give notice, a freedom comes over you. Learn how to craft a professional resignation letter without notice with our guide. A sample form to document an employee's verbal resignation. An emergency resignation letter is a polite letter given to a business or organization that states that an employee must terminate their employment abruptly. California laws say that, in general, you are not required to give your employers two weeks notice – or any notice – prior to quitting or leaving a job.