The Working Time Regulations 1998 apply, with some exemptions, to all workers, ie not only employees but also individuals such as casual workers, zero-hours workers, agency staff and some contractors. Scope of the Working Time Regulations
An adult worker’s working time must not exceed 48 hours per week on average, including overtime, unless the worker has signed an opt-out agreement. The 48-hour Week
A young person’s working time must not exceed 40 hours per week or eight hours in any one day. The 48-hour Week
Adult workers are free to agree to work more than the average 48-hour limit by signing an “opt-out agreement”. Opt-out Agreements