You want to give at least a two weeks' notice. Learn how to craft a professional resignation letter without notice with our guide.Dear Board Members: Please accept my resignation from the Miami-Dade County Public Schools for the following reason(s):. You simply need to draft up the notice with the date you intend to end your employment. Employee shall send a written notification to the supervisor at least 2 weeks in advance of resignation. 2. An emergency resignation letter is a polite letter given to a business or organization that states that an employee must terminate their employment abruptly. A leave of absence is an approved absence without pay for a maximum period of one year. I am writing to formally resign from my position as an apprentice at Strategic Solutions. My last working day will be on June 15, 2053.