Discover how to craft a professional resignation letter due to illness. Within one (1) year of resignation in good standing from County service, a person who has had permanent status which included satisfactory.Customize and Download this "Employee Resignation Letter for Health Reasons". To receive a copy of your submission, please fill out your email address below and submit. A resignation letter due to health and stress lets you inform your employer about your need to step away because of illness or work pressure. Official Forms for Viewing and Downloading.