How to write a resignation letter that's effective immediately? Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation.Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Please accept my resignation from all duties at the ABC Toilet Brush Company. Aformentioned resignation is in force with immediate effect. All you need to do is put the date of your intended departure, your name, the fact that you are resigning, the date and your signature. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started. When you're unhappy at work, it might be time to go.