State your intention and resignation date. Please accept this letter as a notice of my resignation.Mention your intent to resign and the position you're leaving. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. I am writing to inform you of my resignation, effective today, January 1, 2011. Please accept this as my formal resignation from my position as a Marketing Assistant. Resignation letters are professional courtesies that extend your professionalism, even in the last days of current employment. My last day of work in the office will be on (a date two weeks in the future). When writing your letter, it's important to format the letter correctly and state your resignation in the first line of the letter.