The short answer is that an atwill employee is not required to provide two weeks' notice before quitting. 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. State your resignation and provide the effective date. You should attempt to give your employee at least two weeks notice. A twoweek notice period is standard, but not required. You can give however many weeks worth of notice that you feel is appropriate. I regret to inform you that I will be leaving XXX on June 13th, 2022. The recommended timeline for providing a resignation letter is at least two weeks prior to your planned last day. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation.