In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Start with a two weeks notice letter.This will serve as a formal, written documentation of your intent to leave and your transition timeline. Submit it in advance. You want to give your employer some time to find a replacement for your position, so generally two weeks' notice is the norm. A resignation letter can be used interchangeably with a two week's notice letter. I am writing to inform you of my two weeks notice. Effective August 18th will be my last day.