“(1) This section applies to every person who owns or operates not less than the prescribed number of mechanically propelled vehicles (being vehicles exceeding 2,000 kilograms in weight unladen and used in public places) and is designated for the purposes of this section in regulations made thereunder.”.

“(1) Where—

(a) a vehicle exceeding 17,000 kilograms in weight laden (within the meaning of the relevant regulations), or a combination of vehicles of which such a vehicle forms a part, is used on a public road,

(b) the owner is convicted of an offence under section 12 of the Principal Act in respect of such use, and

(c) the excess weight during such use was not less than 1,000 kilograms,

the court which so convicted shall, in addition to any penalty which may be imposed under section 12 of the Principal Act (as amended by the Road Traffic (Amendment) Act, 1984), impose on the owner so convicted a penalty fixed in accordance with the Table to this section.”.

“TABLE

“(7) A person who contravenes a regulation under this section which is stated to be a penal regulation shall be guilty of an offence and, in the case of a contravention of a regulation prohibiting or restricting the giving for reward of instruction by a person other than a licensed driving instructor or prohibiting the employment of such a person for the purpose of giving instruction for reward, shall be liable on summary conviction to a fine not exceeding £350 or, at the discretion of the court, to imprisonment for any term not exceeding six months or to both such fine and such imprisonment.”.

“(2) A person who is guilty of an offence under this section shall be liable on summary conviction to a fine not exceeding £350 or, at the discretion of the court, to imprisonment for any term not exceeding six months or to both such fine and such imprisonment.”.