Employee shall send a written notification to the supervisor at least 2 weeks in advance of resignation. 2. Dear (Manager's Name):.I am writing to notify you of my resignation from my position as (job title) at (company name). To resign from your position, complete and submit a resignation letter to your supervisor at least two weeks, or as soon as possible, before your last day. You probably won't have to, but some companies do require a formal letter, so you'll have to check with HR as to whether you need to write one. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. Download this free resignation letter template below and have it customized for your unique business legal needs today. Share this document.