Taking the example of the Employment Rights Act 1996 (ERA 1996), a 'worker' is defined as an individual who has entered into or works (or worked) under: • a contract of employment, ie a contract of service or apprenticeship, or • any other contract by which: ◦ the individual undertakes to do or perform work or services personally, and ◦ the person for whom the work is done (or services are performed) is not a client or customer of a business being run by the individual In broad terms, the difference between the statutory definition of ‘worker’ and ‘employee’ under ERA 1996 is that, in order to be a worker, an individual does not have to establish other key elements necessary for employee status, in particular: • mutuality of obligation (the obligation on the employer to provide or pay for work and on the employee to perform it), or • control (eg how, when and where the work is done) For