Leaving a job isn't easy. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.A one (1) week notice letter is written notification provided to an employer that an employee will no longer be working with the company within seven (7) days. This sample resignation letter is available for use on UpCounsel. A Resignation Letter is typically a formal document given to employers two weeks before an employee resigns from a role. Share this document. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. Dear Sirs: Effective immediately, I am not a member of UFCW Local 99. Notice of resignation: State in plain language that the letter's purpose is to inform the employer of your resignation. Transferred to Phoenix Management.