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. There is no legal obligation to provide notice of quitting a job or providing any kind of resignation letter.In the opening paragraph, clearly state that you are resigning from your position. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Learn how to write a professional two weeks notice letter with our easytouse template. Provide a general explanation for your resignation without offering details that don't concern your current employer. Quitting a job without notice is generally frowned upon in the professional world. I'm writing to inform you of my intent to resign from my position as a staff nurse in the ICU at Johnson County Hospital. Inform your supervisor that you're leaving UC San Diego. Please be advised that I am resigning my position with immediate effect. Regards,.