A part time letter of request is a written letter that employees can use in the workplace to formally ask their employers for a part-time working pattern. Part time letters of requests can include:
Desired working hours and schedules
Explanation of how the work could be managed around your changed working hours
Emphasis on your continued commitment to the company
Suggestions of ways you could be providing extra working hours on special occasions and emergencies.
Details of reasons why you are requesting part-time work.