A formal written notice announcing intention to leave a job. Resignation acceptance letter template.Use an attractive header with your personal contact info, include the recipient's name, company and address, and include the date. State the position you are resigning from and the effective date. Explain why you are resigning. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. We've broken down the nine different parts of writing a resignation letter and included a template for you below.