In this article, we define a director resignation letter, provide a template and offer several examples to reference when writing your own. Use one of our resignation letter templates.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. This manual is designed to assist hiring managers with appropriate hiring processes and Human Resources practices. Example of a letter of resignation as a director.