Write a TwoWeek Notice Letter. The short answer is that an atwill employee is not required to provide two weeks' notice before quitting.In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. In the opening paragraph, state that you are informing your employer that you will resign from your job in two weeks. My last day available for work will be on . It's customary to give at least two weeks' notice unless you have a different agreement with the employer. 6. Know how to write a two weeks notice letter? Check out our guide, complete with examples and learn everything you need to know. There is no federal or Arizona law that makes this a requirement. It's also best practice to send your resignation letter to your employer at least two weeks before your last day at the company.