It's customary to give at least two weeks' notice unless you have a different agreement with the employer. 6. 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. Know how to write a two weeks notice letter? Check out our guide, complete with examples and learn everything you need to know. Keep your two weeks' notice resignation letter polite yet brief. Unfortunately, due to unforeseen circumstances, I am not able to fill out the regular two weeks as per the employee handbook. A common misconception is that two weeks' notice is a legal requirement. There is no federal or Arizona law that makes this a requirement.