State your resignation and provide the effective date. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.State that you wish to quit and include your final day of work. Dear Sirs: Effective immediately, I am not a member of UFCW Local 99. Please accept this message as my formal notice of resignation. I am fortunate to have received a long awaited opportunity that I cannot pass up. This sample resignation letter is available for use on UpCounsel. In the opening paragraph, state that you are informing your employer that you will resign from your job in two weeks. Please accept this letter as official notification of my resignation from my position as Floor Manager, effective immediately. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude.