Leaving a job isn't easy. Try to focus on a single compelling reason for your decision.Begin with a clear and concise statement that you are resigning from your position. Please accept this letter as a notice of my resignation. Should you include a reason for leaving? State that you wish to quit and include your final day of work. Be brief and stay positive. Your resignation letter should be as professional as possible and free of emotional language. OFFICIAL RESIGNATION LETTER - rrcc. Please accept this letter as official notification of my resignation from my position as Floor Manager, effective immediately.