If you've already submitted a resignation letter or email stating your intention to resign, your employer should not later respond with a termination letter. 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.What It Takes to Write A Great Resignation Letter. Create the perfect resignation letter in 30 seconds with our free AI resignation letter generator. Effective immediately, please be informed of my resignation. In the next paragraph, state the date when the employment will officially end. The City of Los Angeles includes POST certified agencies. No, employers don't need to keep employees on for the full twoweek period once they receive a resignation letter.