Commence your letter with a formal salutation and a concise introductory paragraph. How to write a resignation letter that's effective immediately?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. Start with the facts and be direct. Download Georgia Two Weeks Notice Letter template, modify and send for signing using BoloForms Signature. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Use one of our resignation letter templates. (For example, "I regret to inform you that I will be resigning from my position, effective immediately. A resignation letter should be short and to the point. No more than a few sentences.