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.If someone gives a resignation letter without giving the required one month's notice, what can his employer do against him (like filing a complaint)? If you live in an at-will state, there is no requirement to give any notice for leaving or for your termination. You should be prepared to leave at any time. 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. In this video I'm going to tell you how to write a resignation letter when you don't want to serve the notice period. 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.