You want to give at least a two weeks' notice. In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started.To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. If someone gives a resignation letter without giving the required one month's notice, what can his employer do against him (like filing a complaint)? Short, polite, to the point. "This note is to inform you that I have chosen to end my employment with XXXXX, effective immediately (today's date)." When you're unhappy at work, it might be time to go. Here's how to write a resignation letter without burning bridges, including samples and formatting. In the letter, include the date you plan to leave the company. Looking to resign from your job?