How to write a resignation letter that's 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.I will make an effort to tie up any loose ends and inform you of outstanding projects before then. Download Arizona Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature. We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Dear Sirs: Effective immediately, I am not a member of UFCW Local 99. Here is a short notice resignation template you may use to assist you with writing a resignation letter. That can be useful for legal purposes, as it lays this information out in plain terms. It is my regret to inform you that I must hand in my resignation as head of security at Cornado Center.