How to write a resignation letter that's effective immediately? This resignation letter sample provides your employer with a letter for your file and also suggests that you've done everything you can to remain professional.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. Use this resignation letter example to inform your employer that you need to resign immediately and will not be able to give two weeks' notice. In the opening paragraph, clearly state that you are resigning from your position. You can quit without any notice and they can't nail your foot to the workstation. Illinois is an at-will state. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. Every resigning employee shall be urged to indicate in the Resignation form the reason for leaving.