(2) The
circumstances in which a person is considered to be the
"employer" of another person (and that other person is considered to be the
"employee" ) for the purposes of this Part include the following--
(a1) the person engages the other person
to carry out regular work under one or more contracts for services and the
value of that work represents a substantial proportion of the regular work
carried out by the other person,
(b) the person is the bailor under a
contract of bailment within the meaning of Chapter 6 of the Industrial
Relations Act 1996 and the other person is the bailee engaged under that
contract,
(c) the person is the holder of a licence under the
Passenger Transport Act 1990and the other person (being engaged in
transporting passengers in a private hire vehicle pursuant to that licence) is
a person to whom Chapter 6 of the Industrial Relations Act 1996 applies,
(d)
the person is a principal contractor under a contract of carriage within the
meaning of Chapter 6 of the Industrial Relations Act 1996 and the other
person is a contract carrier engaged under that contract.