Learn how to write a resignation letter with a notice period. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference.Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles. Resignation but my future employer will not hold a position for thirty days.