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. Learn how to write a resignation letter with a notice period.Learn how to write a 30day resignation letter. Read key tips for crafting a respectful notice for maintaining professional relationships. I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation. Looking to resign with a 60 Days Notice Resignation Letter? Use our resignation letter template for notice-period roles.