How to fill out the Director Resignation Letter Template for Companies? 1. Enter the date on the letter. 2.When you complete this form, select a method of payment for your annual leave entitlement. Submit a signed letter of resignation to your immediate supervisor, with a copy to your Human Resources Director. Writing a lengthy resignation letter is unnecessary, and a few paragraphs are sufficient. When stepping down from a director position, it's useful to offer a letter of resignation as formal documentation of your intent to leave. The Resignation of ANHD's Executive Director Benjamin Dulchin ; Blog.