Taylor discusses 6 key aspects of writing a resignation letter, including when to give notice, what to say, how to format it, and how to deliver it. Dear Dr. NAME: This letter is my official notification to you of my decision to resign from Wayne State University.Then, state your intent to resign and exact date of departure. This article teaches you how to write a resignation email with the help of resignation letter email examples and our resignation email template. USC human resources experts share their tips for how to write a resignation letter and how to deliver it.