The following are the things to keep in mind when writing an immediate resignation letter: Write the date first. Explain only necessities.Learn how to write a professional two weeks notice letter with our easytouse template. The employer cannot withhold your final pay until you "sign" paperwork. What are some ways to inform your boss of your resignation without having to give a notice in person? This sample resignation letter is available for use on UpCounsel. If you're moving out soon, it's important to send a notice to vacate letter. Find out when to send it and see a notice to vacate template.