This job aid describes the process for submitting your resignation letter. State the Position You're Resigning From With An Effective Date.Find out how to craft a professional and appropriate resignation letter with our simple guide. Contact Interior Talent for more information. But don't over compliment or gush. A basic resignation letter should include the fact that you're resigning and the last day you will work. Dear (Manager's Name):. Then follow up with a professional resignation letter. The letter can be delivered in person, via postal mail or email. Select Human Capital Management Information; Select DISD Separation from Employment; Fill out the requested information and click Submit.