Include the position title and the last day you intend to work. Learn how to write a 30day resignation letter stepbystep and review sample letters and a template to help you get started on yours.The format of your resignation with a notice period should be a letter. 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. If the answer is yes then politely provide two weeks notice in writing, but be open to negotiate if they would like more time. Looking to resign with a Resignation Letter With 4 Weeks Notice? Use our resignation letter template for notice-period roles.