In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Learn how to write a resignation letter with a notice period. Download Texas Two Weeks Notice Letter template, modify and send for signing using BoloForms Signature. Use a one week notice letter template to inform your current employer that you plan to resign within seven days. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation.