Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Use a one week notice letter template to inform your current employer that you plan to resign within seven days.An immediate letter of resignation is a written notice to inform an employer of an employee's imminent departure. Pick the perfect wording and convey the message best suited for your situation. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included. What is a resignation letter, and how do you write one? Here are sample letters and templates, as well as tips for how to resign gracefully. We also provide a short notice resignation letter template and some examples to guide you when writing your own. Related jobs on Indeed.