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.Pick the perfect wording and convey the message best suited for your situation. Please accept this letter as notice of my immediate resignation from the position of Events Technician at Ministry Sound Tech, effective April 1st, 2017. Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. A resignation letter needs to include your contact information, official notice that you're resigning, and when your final day of work will be. It is critical to include a resignation declaration earlier than usual in the short notice resignation letter. (For example, "I regret to inform you that I will be resigning from my position, effective immediately. I have been offered a better opportunity in the vicinity of my residence.