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. Offering a 2-week notice in your resignation is "an offer".Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. How to Use Two Weeks Notice Letter? In Texas we are under no obligation to accept the two week notice and it is still considered a resignation because they demonstrated intent to leave. While it might be tempting to gush, settle scores, or otherwise write something informal, the best resignation letters stick to the script. Second paragraph: You can explain why you're leaving in the second paragraph, but keep it brief and professional. No advance notice of termination or resignation is required. To resign via email, address your resignation letter to your boss, direct manager, and human resources.