The complete guide to writing a nursing resignation letter with tips, examples, and templates. Keep your letter short.Your resignation letter should be less than one page. State that you're leaving, and provide the date of your last day. Clearly state your intention to resign along with any relevant details such as your last working day. imageSign. This letter is my official resignation from my staff nurse position at Cherry Hill Residence. Submitting a resignation letter is a must before you start working with another hospital. Download these free nursing resignation letters. Your resignation letter should be written formally as a professional in the workforce. Similar to a cover letter, you'll need a header.