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.Any time I write a letter of resignation, I start with a template. You can find many online. For instance, "Dear Jane" before announcing your resignation. 2. 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. Any time I write a letter of resignation, I start with a template. You can find many online. I know it has helped me grow in my career. I am writing to formally resign from my position as a Chef at Lavender Hotel.