You want to give at least a two weeks' notice. Bad for you more than employer.Once you give notice, a freedom comes over you. An emergency resignation letter is a polite letter given to a business or organization that states that an employee must terminate their employment abruptly. The information contained below provides additional information about a layoff, resignation or retirement. Expand All. Layoffs. Just make sure that you have officially communicated the notice. Take a copy of email and save it your personal email or so. This page provides information on how to resign from the university whether it's leaving for to accept another position or to retire.