How to write a resignation letter that's effective immediately? 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. I am resigning my position effective immediately. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Download the immediate resignation letter template (compatible with Google Docs and Word Online), or see below for more examples.