The College shall make a reasonable effort to notify the employee of the dismissal action. Employees resigning without notice are not eligible for rehire.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. Employees who abandon their job or resign without notice are not eligible for rehire. This letter informs your employee that you must depart right away without the standard two weeks' notice. Short, polite, to the point. "This note is to inform you that I have chosen to end my employment with XXXXX, effective immediately (today's date)." Resignation Letter No Notice. Customize any of these resignation letters in minutes using our free AI-powered resignation letter builder..