In this article, we define a director resignation letter, provide a template and offer several examples to reference when writing your own. Please accept this letter as a notice of my resignation.I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. 1. Enter the date on the letter. In this guide, I'll cover how to effectively resign from a board, the key elements to include in your letter, and provide examples of resignation letters. Use one of our resignation letter templates. Director Resignation Letter Format. A memo is used internally in business. Examples of business letters. A letter of resignation is a document that notifies your employer that you're leaving your job.