To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.Craft a concise, professional resignation letter. Learn how to gracefully communicate your departure without oversharing details. 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 inform you of my resignation from the Marketing Assistant position at Company A. Today will be my last day of work. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. To begin, please fill out our consultation request form online to speak with one of our private investigators.