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. Provide at least two weeks' notice when leaving a job (preferably longer; double check requirements with HR).Specify a date and state your intentions clearly. "A resignation letter should be short and to the point. Simply explain why you're leaving and the date of your departure. In this article, we discuss how to create a 30day resignation letter, why it's important and provide a template and examples to help you write your own. I am writing to inform you that I will be resigning from my current position, X at X, effective immediately. Please accept this letter as formal notice. In the opening paragraph enter your name. Next enter your position.