How to write a resignation letter that's effective immediately? It's time to quit the job, and you're not giving two weeks' notice.Here's how to politely write a resignation letter, effective immediately. Pick the perfect wording and convey the message best suited for your situation. 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. This letter is to officially inform you that I resign from my position as xxxxxxx, effective immediately. In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Well, the company certainly will not go out of business. Nor will they shut down the office or plant where you worked.