Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. These top samples of resignation letters for personal reasons can be used as helpful templates when you are looking to resign due to personal circumstances.Use a simple and direct subject line, such as "Resignation – Your Name. Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. You don't even need to give a reason. You can simply write, "Please accept this letter as my resignation. To write a resignation letter in case of an emergency, include the name of the company, your manager's name, and your name in the letter. I regret to inform you that I will be leaving XXX on June 13th, 2022. I am available to assist with training my replacement or completing any outstanding projects.