Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles.In this article, we discuss how to create a 30day resignation letter, why it's important and provide a template and examples to help you write your own. Learn how to write a resignation letter with a notice period. How to Write a Resignation Letter (5 steps). MN: Gave 2-week notice to employer, taken off schedule immediately, now being told they won't pay out my PTO due to not giving 30-day notice. I regretfully have to inform you that, after much thought, I have decided to resign and please accept this letter as a formal notice of my resignation. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. I hope a two-week notice is sufficient for you to find a replacement for me. If I can help to train my replacement or tie up any loose ends, please let me know.