Keep your letter short. Your resignation letter should be less than one page.The complete guide to writing a nursing resignation letter with tips, examples, and templates. State that you're leaving, and provide the date of your last day. This file provides a comprehensive nursing resignation letter template. It includes tips for writing and a sample letter for reference. Below, we've included five tips for writing your nursing resignation letter, as well as an example letter you can use as a template. Discover how to write an effective resignation letter for nursing. Essential tips and sample letters for all nurses. Click below for up-to-date forms and documents for use in submitting address or name changes, W4 forms for adjusting withholding status when needed.