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. The format of your resignation with a notice period should be a letter.Every resigning employee shall be urged to indicate in the Resignation form the reason for leaving. This article explores the essentials of a simple resignation letter template, offering guidance on how to communicate effectively and professionally. If you do not have a contract, refer to your employer's policy about giving notice. Use a concise sentence, such as "This letter is my formal notice that I'm resigning from my position. " State the amount of notice you're providing. Human Resources plays a central role in the termination process. They ensure the termination decision complies with Illinois labor laws and company policies. 2. Does IDOL investigate unemployment claims?