Discover how to craft a professional resignation letter due to illness. Tips for writing resignation letters for health reasons, parts to include in the letter, and some sample letters.Utilize our Board Resignation Letter Template to notify the board and relevant parties of your decision to step down from your position. Learn how to write a letter of resignation to quit your job on good terms. Using sample resignation letters will make it easier to create this document for your employer. Resignation Letter Samples. Resignation Letter Due to Family Reasons. A resignation template or example to refer to will often help you clarify your statement and keep it concise and ontopic. A resignation letter form is a tool for employees who want to leave their current position for a new one.