You want to give at least a two weeks' notice. 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. However, if there is no such clause of notice period in your letter of appointment, then you are not required to serve any notice period. In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started. Learn how to write a professional two weeks notice letter with our easytouse template.