99Unauthorised use of Royal arms, &c
(1)A person shall not without the authority of Her Majesty use in connection with any business the Royal arms (or arms so closely resembling the Royal arms as to be calculated to deceive) in such manner as to be calculated to lead to the belief that he is duly authorised to use the Royal arms.
(2)A person shall not without the authority of Her Majesty or of a member of the Royal family use in connection with any business any device, emblem or title in such a manner as to be calculated to lead to the belief that he is employed by, or supplies goods or services to, Her Majesty or that member of the Royal family.
(3)A person who contravenes subsection (1) commits an offence and is liable on summary conviction to a fine not exceeding level 2 on the standard scale.
(4)Contravention of subsection (1) or (2) may be restrained by injunction in proceedings brought by—
(a)any person who is authorised to use the arms, device, emblem or title in question, or
(b)any person authorised by the Lord Chamberlain to take such proceedings.
(5)Nothing in this section affects any right of the proprietor of a trade mark containing any such arms, device, emblem or title to use that trade mark.