How to write a resignation letter that's effective immediately? 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.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. If someone gives a resignation letter without giving the required one month's notice, what can his employer do against him (like filing a complaint)? To quit, write a simple letter addressed to your supervisor that says nothing more than you are resigning, and which day will be your last. There are is no legal recourse to a person quitting without notice. When you write a letter of resignation, you have quit. Offering to stay two weeks is the standard in an effort to help transition the work etc. In California, you are not legally obligated to provide a resignation letter or give notice when you decide to quit your job. Some places, when you put in your notice tell you to no longer report but you still get paid your notice period.