You can quit anytime for any reason or for no reason. If the contract says you are to give 30 days notice, and you don't, you are in violation of the contract.It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. Use one of our resignation letter templates. Current County employees should voluntarily demote on the first day of the pay period. Learn how to craft a professional resignation letter without notice with our guide. Giving a two week notice isn't required; it is merely a professional courtesy. 2 weeks is a courtesy. Richard Andrew Pitino is an American basketball coach who is the head men's basketball coach at St. John's University.