California's AtWill Employment Law Does Not Require 2 Weeks' Notice. California is an at-will employment state.Are you getting ready to leave your job? Here's how to write a professional two weeks' notice resignation letter, with examples. The subject line of the email should be: "Resignation. Please accept this as my formal resignation from Company Ltd. My last day will be September 10, two weeks from today. Please send the original to the Classified Employment Transaction Services Branch,. In California, you can be fired after handing in your 2 weeks notice. While you will not earn your wages, it turns your resignation into a termination.