Learn how to write a resignation letter due to family reasons with our stepbystep guide and sample letters. Standard Job Resignation Letter is a formal written notice of an employee's intention to depart from a job.A Board Resignation Letter is a notice directed to a board or a director announcing an individual's intention to resign. Download a free immediate effect resignation letter template, easily customizable for your personal situation. Here are two examples of letters resigning for family or personal reasons. The first is a formal business letter, and the second is an email sample. Writing a resignation letter with notice period? Find samples for different situations (like career change, family reasons, etc.) and expert tips here.