2. In these Regulations—
(a)“ADR certificate” means a special certificate of approval issued for a vehicle following inspection of the vehicle in pursuance of marginal 10 282 of Annex B to the European Agreement Concerning the International Carriage of Dangerous Goods by Road of the 30th September 1957 (ADR), as amended, and references to an inspection of a vehicle or the issue of a certificate or a copy thereof are references to such an inspection, or issue of a certificate or copy, by the Secretary of State for Transport.
(b)“the 1982 Regulations” means the Goods Vehicles (Plating and Testing) Regulations 1982(1).
(c)“exceptional circumstances” means an accident, a fire, an epidemic, severe weather, a failure in the supply of essential services or other unexpected happening (excluding a breakdown or mechanical defect in a vehicle or non-delivery of spare parts therefor).