At the top of your resignation letter, include your first and last name, your street address and your city, state and zip code. Create your resignation letter using a standard business format.Learn how to write a letter of resignation to quit your job on good terms. Here's what to include in a resignation letter, with examples and templates. Do you need to write a resignation letter? Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates. Download a free immediate effect resignation letter template, easily customizable for your personal situation. Add contact details, company name, and date. I hope a two-week notice is sufficient for you to find a replacement for me. If I can help to train my replacement or tie up any loose ends, please let me know.