How to write a resignation letter that's effective immediately? Download Ohio Immediate Letter Of Resignation template, modify and send for signing using BoloForms Signature.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. In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. Forms and applications for general courts, protection orders and garnishment. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template.