How to write a resignation letter that's effective immediately? 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 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. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Download a free immediate effect resignation letter template, easily customizable for your personal situation. I am writing to announce my resignation, effective in 24 hours. These top samples of resignation letters for personal reasons can be used as helpful templates when you are looking to resign due to personal circumstances. Employees who wish to resign should: 1.