Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles.Learn how to write a resignation letter with a notice period. 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. Below, you'll find a suggested outline, examples for different scenarios, and tips on writing a resignation letter that works for you. 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. Please accept this as my formal letter of resignation. Learn how to write a 30day resignation letter. Read key tips for crafting a respectful notice for maintaining professional relationships.