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.In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. What should be included in a submitting resignation letter? Please accept this as my. While it might be tempting to gush, settle scores, or otherwise write something informal, the best resignation letters stick to the script. However, sometimes, that's not an option, as some circumstances call for an immediate resignation. Pick a resume template. All legislative Powers herein granted shall be vested in a.