To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. How do I write a resignation letter after 1 month of working?Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Yesterday I gave my two weeks notice along with my letter of resignation. The letter stated that my last day would be September 11th. 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. You can send a 2-week resignation letter each time you can offer to stay for the 2 weeks notice period. Learn how to write a resignation letter with a notice period.