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. Implement resignation from MiamiDade County Public Schools (resignation letter attached);. 4.