Specify your last working day within two weeks from the notice date. Clearly state the final day to avoid misunderstandings.Please accept this letter as notice of my resignation from my position as staff accountant. In this article, we discuss what a retail resignation letter is, the key parts you should include in the letter and the steps to writing one. My last day of work in the office will be on (a date two weeks in the future). I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline.