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.Hospitals as listed below. Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Indicate the PRIMARY reason for your voluntary separation (choose one):. Given the short notice, provide a concise but sincere reason for your sudden departure. Clearly state your intention to resign and briefly mention your reason for leaving. Mention your notice period and confirm your final working day. I am sorry to leave you in the middle of the quarter, But I must go to take care of a family emergency.