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. In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. Please accept this letter as my formal resignation. Today will be my last day of work. 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. 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. All legislative Powers herein granted shall be vested in a.