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. The format of your resignation with a notice period should be a letter.It details the required notice periods for employees, which range from 1 month for job levels 1-2 to 3 months for levels 3-7. Learn how to write a 30day resignation letter. Read key tips for crafting a respectful notice for maintaining professional relationships. The employee should make sure to include their name, current job position, a brief explanation of why they are resigning, and what date their last day will be. Looking to resign with a 30 Day Notice Resignation Letter? Use our resignation letter template for notice-period roles. I'm writing to inform you of my intent to resign from my position as a staff nurse in the ICU at Johnson County Hospital. There is no need to give notice if you have been employed for only a month or less.