Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. How to write a great letter of resignation that will let you leave gracefully.Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Add contact details, company name, and date. This form will help you create a letter to send to your landlord. The Board has 45 days to fill that position after the resignation takes effect.