Example: "I can assist with the transition of my responsibilities if required to allow the restaurant to run smoothly on my departure. Include the position title and the last day you intend to work.How to write a resignation letter that's effective immediately? In the opening paragraph, detail your intention to resign and provide the date of your final work day. Please be advised that I am resigning my position with immediate effect. Regards,. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. (For example, "I regret to inform you that I will be resigning from my position, effective immediately. A salutation using the person's formal title, such as Dear Mr. Smith. I am writing to formally resign from my position as a Chef at Lavender Hotel. My last working day will be October31 2025.