You want to give at least a two weeks' notice. A two weeks notice letter is vital for maintaining professionalism, ensuring smooth transitions, securing future references, and legal compliance.Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. In the US, two weeks notice is a custom, not a legal requirement. Is an employee required to give two weeks notice when quitting a job? 1. Does IDOL investigate discrimination complaints? Submit your resignation, preferably with an end date two weeks in the future. You are not required to provide a reason for resigning. You want to give at least a two weeks' notice.