A 2 week notice letter is an employee's letter of resignation to the employer. A two weeks' notice letter of resignation is a professional courtesy and at times a contractual obligation.Here's how to let your boss know you're leaving. Please accept this as my formal resignation from —— . Basically, "a thank you to your current company for the opportunity" and "a departure date" two weeks from the email. Current County employees should voluntarily demote on the first day of the pay period. I am submitting my two weeks' notice of resignation. Clearly state your intention to leave and when you will be leaving. While it is traditional to have a two week notice, it is possible to give more or less time. Your resignation letter does not have to say why you're leaving the job.