An ideal time to let them know about your resignation is after you give your two weeks' notice and understand the details of the transition process. A basic resignation letter should include the fact that you're resigning and the last day you will work.Learn how to write a professional two weeks notice letter with our easytouse template. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. To leave your role on a professional note, learn how to write a resignation letter. As a bonus, check out our samples. Lastly, use a formal signoff. Contact Alorica for customer service questions, careers, and any other general information. Official website of Joint Base San Antonio (JBSA). I'm writing to give my formal notice that I'll be leaving my role as office manager for Larry and Keets Financial Partners on July 31.