Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles.Use one of our resignation letter templates. 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. Resignation letters are professional courtesies that extend your professionalism, even in the last days of current employment. You must have the completed, original 30 Day Notice of Termination of Tenancy and the lease agreement (if you have one). Learn how to write a resignation letter with a notice period. This manual is designed to assist hiring managers with appropriate hiring processes and Human Resources practices. Looking to resign with a 30 Day Notice Resignation Letter?