How to write a resignation letter that's effective immediately? Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. 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. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. The most recent example of a vice president certifying their own defeat came after the 2000 election.