The F1licensing authority shall issue a disc or plate for each vehicle to which a London PHV licence relates which identifies that vehicle as a vehicle for which such a licence is in force.

No vehicle to which a London PHV licence relates shall be used as a private hire vehicle on a road in London unless the disc or plate issued under this section is exhibited on the vehicle in such manner as may be prescribed.

The F1licensing authority may by notice exempt a vehicle from t he requirement under subsection (2) when it is being used to provide a service specified in the notice if F2the authority considers it inappropriate (having regard to that service) to require the disc or plate in question to be exhibited.

The driver and operator of a vehicle used in contravention of subsection (2) are each guilty of an offence.

The owner of a vehicle who permits it to be used in contravention of subsection (2) is guilty of an offence.

It is a defence in proceedings for an offence under subsection (4) for the driver or operator to show that he exercised all due diligence to prevent the vehicle being used in contravention of subsection (2).

A person guilty of an offence under this section is liable on summary conviction to a fine not exceeding level 3 on the standard scale.