Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. 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.Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. I am writing to formally resign from my position as a Marketing intern at Green Leaf Energy. I have thoroughly enjoyed my time at the company. Short Notice Resignation Letter. Customize any of these resignation letters in minutes using our free AI-powered resignation letter builder. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included.