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. Resignation Letter is always written to HR(be it a person or mail group).You can keep your reporting manager in cc. Find out who should be the recipient(s). Just keep it short and sweet. Don't go into story telling mode. Thank you for the opportunity to be employed here (this is optional though). In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started.