Want to know how to write a retirement letter of resignation? Get the insights you need and free retirement letter template to help guide the way.Pick the perfect wording and convey the message best suited for your situation. Use a one week notice letter template to inform your current employer that you plan to resign within seven days. A resignation letter needs to include your contact information, official notice that you're resigning, and when your final day of work will be. A police officer resignation letter is a formal, professional way of delivering a notice of resignation to a law enforcement body. This stepbystep guide shows you how to write a retirement letter to your employer. It also includes FREE templates and examples to help you take action!