You want to give at least a two weeks' notice. You're not entitled to any notice period, unfortunately; your employer can terminate you at any time.Looking to resign from your job? Learn how to write a professional and respectful two weeks' notice email with our helpful templates and tips. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Utah is an "atwill" employment state. Utah does not mandate a specific timeframe for advanced resignation notice, mirroring the flexible nature of "at-will" employment. If you're wondering how to write a resignation email without a notice period, then our sample can help. Ideally, you should send your resignation letter at least two weeks before your planned resignation date. Resignation letters don't have to include the details of why you're leaving.