(1) A person who is guilty of an offence under section 268(1) is liable -

(a) on summary conviction in England Wales, to a fine;

(b) on summary conviction in Scotland or Northern Ireland, to a fine not exceeding level 5 on the standard scale.

(2) It is the duty of every local weights and measures authority in Great Britain to enforce section 268(1) in its area.

(3) It is the duty of the Department for the Economy in Northern Ireland to enforce section 268(1) in Northern Ireland.

(4) No proceedings for an offence under section 268(1) may be instituted in England and Wales except by or on behalf of a local weights and measures authority in Great Britain.

(5) Nothing in subsection (2) authorises any local weights and measures authority in Great Britain to bring proceedings in Scotland for an offence.