The employer is not required to continue employment to fulfill the "courtesy" two (three) week notice of resignation. The Frequently Asked Questions (FAQs) provided below highlight topics and specific questions that are often asked of the Illinois Department of Labor (IDOL).Atwill employees can quit at any time with no notice. However, it is customary to give two weeks notice (or even more if you hold a high level position). Accepting a resignation early without paying the employee for the notice period can have consequences, if the employee gave more than two weeks' notice. This guide is designed to provide employers in Illinois with up-to-date information on how to legally and respectfully terminate an employee. Assuming there is no contract or agreement to the contrary, you're not required to keep an employee on during their resignation notice period. An employee is to be provided with 6 months' notice. Employers may ask employees to provide advanced notice when they decide to resign.