Use a one week notice letter template to inform your current employer that you plan to resign within seven days. Pick the perfect wording and convey the message best suited for your situation.A resignation letter needs to include your contact information, official notice that you're resigning, and when your final day of work will be. How to Write an Immediate Letter of Resignation (4 steps). Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. 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. We welcome feedback: report an example sentence to the Collins team. Example: I'm writing to inform you of my decision to resign from my position as a park ranger with the National Park Service, effective May 1st.