Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. 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.Below is a sample union resignation letter. You should check your union's constitution and bylaws to see if it is specific to whom a resignation must be sent. "Learn the essential steps and tips for writing a professional two weeks notice resignation letter. We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. (Last Name), I am writing to inform you that I will be resigning from my position as (Title) at (Company Name). Learn how to write a board resignation letter to leave your board position with grace and professionalism. I hope a two-week notice is sufficient for you to find a replacement for me. If I can help to train my replacement or tie up any loose ends, please let me know.