The Carriage of Dangerous Goods by Road Regulations 1996

2.  These Regulations shall not apply to or in relation to the carriage of any of the following dangerous goods—

(a) un 2900 infectious substance, affecting animals* only un3077 environmentally hazardous substance, solid, n.o.s.* un3082 environmentally hazardous substance, liquid, n.o.s.* un3245 genetically modified micro-organisms,

where those goods are being carried in—

(i) an agricultural or forestry tractor,

(ii) mobile machinery,

(iii) a vehicle with fewer than 4 wheels,

(iv) a vehicle with a maximum design speed of 25km/h or less, or

(v) a vehicle owned by the armed forces or under the control of the armed forces;

(b) explosives;

(c) flammable liquid with a flash point of not less than 32°C which is being carried in a volumetric prover or flammable liquid with a flash point of less than 32°C which is being carried in a volumetric prover which has been purged with nitrogen, and that volumetric prover—

(i) is not moved, driven or kept on a road, other than when it is nominally empty, and

(ii) has every opening and every valve closed during carriage, other than those valves which need to be kept open to allow for liquid expansion on volumetric provers used for the measurement of liquefied petroleum gas; and

in this sub-paragraph “volumetric prover” means a tank or prover pipe with a capacity not exceeding 10 m³ intended to be used for the calibration of metering equipment or the measurement of petroleum fuel deliveries and which is structurally attached to, or is an integral part of, the frame of a vehicle;

(d) goods which are intended for use solely in connection with the operation of the vehicle, container or tank in which the goods are being carried or the operation of any on-board equipment intended to ensure the safety of the load or the vehicle, container or tank concerned;

(e) live animals; and

(f) radioactive material, other than radioactive material which meets the criteria of Schedules 1 to 4 of Marginal 2704 of ADR.