Download North Carolina Two Weeks Notice Letter template, modify and send for signing using BoloForms Signature. A two weeks notice letter must be professional and concise.Clearly state the intention to resign, citing the last working day. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. I am writing to inform you of my two weeks notice. Effective August 18th will be my last day. There's no legally defined period. If you want to leave on good terms, two weeks is considered courteous and usual.