In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. In this article, we explain what a resignation letter is, why they're important, provide steps for writing it, and give you a template and examples.I am writing to inform you of my two weeks notice. Effective August 18th will be my last day. This guide provides 20 professional 2week notice templates that are easy to personalize in Word. Each template has a different tone and style. Employees who are retiring are encouraged to provide written notification to their department. All employees should give a minimum of two weeks notice. 3. I put in my two weeks notice to my employer and they now want a letter of resignation. Why? And do I have to write one?