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. Schedule a meeting with your boss ASAP so you can get it done.Set up enough time to resign and review your transition plan and any other outstanding issues. State the Position You're Resigning From With An Effective Date. Like a job-interview follow-up email, the resignation letter itself should be something of a formality.