When stepping down from a director position, it's useful to offer a letter of resignation as formal documentation of your intent to leave. A resignation letter is a formal notice stating your intention to leave your job.It typically includes details like your last day and potential next steps. Find out how to write the perfect resignation letter, including examples and templates of a professional resignation letter. Address the organization properly. A resignation letter is an official notice you send or hand in to your employer, letting them know that you plan to leave your position. This letter is to inform you that I am resigning from my position as (job title) with (company name), effective (date). Please be advised that I am resigning from my role of Product Manager with Bradley Org. My final day in the office will be August 31, 2023.