This section will help you to understand what to do when a Anybody who works for a business, whether as an employee, casual worker, apprentice, agency worker or freelancer. member calls in sick and how to deal with their period of absence and return to work. It will explain how to operate a sickness absence procedure, what you are required to pay Anybody who works for a business, whether as an employee, casual worker, apprentice, agency worker or freelancer. and when you can require proof of sickness. It will also help you to deal with difficult situations, such as sickness absence that you suspect is not genuine and frequent or long-term absences.