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.This notarized letter is my formal resignation from the Church of Jesus Christ of Latterday Saints and is effective immediately. In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. How to Write an Immediate Letter of Resignation? Consequently, we are tendering herewith our resignation as Statutory Auditor of the Company with immediate effect. I am writing to formally acknowledge the receipt of your resignation letter dated October 1, 2051, in which you requested immediate resignation. "This does not change the fact Officer Sicknick died in the line of duty, courageously defending Congress and the Capitol. Their resignation letter read with the disclosure received from the Auditor.