You want to give at least a two weeks' notice. 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.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 letter, include the date you plan to leave the company. I was planning on sending an immediate resignation letter, but I'm not sure how to write one out. Anyone got any tips? This letter informs your employee that you must depart right away without the standard two weeks' notice. Concluding Your Resignation Letter: FAQs; Can I resign effective immediately? Can I resign without a notice period?