How to write a resignation letter that's effective immediately? Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template.Pick the perfect wording and convey the message best suited for your situation. I am writing to formally resign from my position as Safety Coordinator at General Electric, effective immediately. 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. This letter is to officially inform you that I resign from my position as xxxxxxx, effective immediately. This article will address how to write a retirement letter of resignation and provide an example that you can use as a template for your own retirement letter. Well, the company certainly will not go out of business. Nor will they shut down the office or plant where you worked. Feel free to use this resignation letter example as a template for you to write your own.