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.In this article, we explain what a resignation letter is, why they're important, provide steps for writing it, and give you a template and examples. 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. This letter informs your employee that you must depart right away without the standard two weeks' notice. I am writing to formally resign from my position as a Marketing intern at Green Leaf Energy. I have thoroughly enjoyed my time at the company. There is no legal obligation to provide notice of quitting a job or providing any kind of resignation letter. Looking to resign with a Resignation Letter Without Notice? Use our resignation letter template for notice-period roles.