Regulation 12 Stopping of engine when vehicle stationary

An authorised person who has reasonable cause to believe that the driver of a vehicle that is stationary on a road is committing a stationary idling offence may, upon production of evidence of his authorisation, require him to stop the running of the engine of that vehicle.

A person who fails to comply with a requirement under paragraph (1) shall be guilty of an offence and be liable on summary conviction to a fine not exceeding level 3 on the standard scale.