"(1) A person who - (a) contravenes or fails to comply with a construction and use requirement as to any description of weight applicable to - (i) a goods vehicle ... is guilty of an offence."
"Subject to paragraphs (2), (2A), (2B), (2C) and (4), no person shall use, or cause or permit to be used, on a road a vehicle - ... (b) for which a plating certificate has been issued, if any of the weights shown in column (2) of the plating certificate is exceeded."