—If a person acts in contravention of a disqualification order or of section 12(2), or is guilty of an offence under section 11, he is liable—
(a)on conviction on indictment, to imprisonment for not more than 2 years or a fine, or both; and
(b)on summary conviction, to imprisonment for not more than 6 months or a fine not exceeding the statutory maximum, or both.