11.—(1) In proceedings for an offence under regulation 9 or 10, it is a defence for a person charged under either regulation to prove that they took all reasonable steps to avoid committing the offence.
(2) A ship owner or master who is guilty of an offence under regulation 9 or 10 is liable—
(a)on summary conviction—
(i)in England and Wales, to a fine;
(ii)in Scotland or Northern Ireland, to a fine not exceeding the statutory maximum; or
(b)on conviction on indictment, to a fine or to imprisonment for a term not exceeding two years or to both.