You want to give at least a two weeks' notice. Use one of our resignation letter templates.This guide provides 20 professional 2week notice templates that are easy to personalize in Word. Each template has a different tone and style. The employee should be able to give at least two weeks notice to the current manager. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. A 2 week notice letter is an employee's letter of resignation to the employer. When you start a court case, you have to let the other side know. 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.