8.—(1) Any contravention of a requirement of regulations 3 to 7 above shall constitute a criminal offence punishable—
(a)on conviction on indictment, by a fine; or
(b)on summary conviction, by a fine not exceeding the statutory maximum.
(2) In relation to an offence under this regulation—
(a)section 24(3) of the Act (defence for publishers, etc of advertisements) shall apply as it applies to an offence under subsection (1) or (2) of section 20 of the Act;
(b)section 39 of the Act (defence of due diligence) shall apply as it applies to an offence mentioned in subsection (5) of that section; and
(c)subsection (1) of section 40 of the Act (liability of persons other than principal offender) shall apply as it applies to an offence mentioned in section 39(5) of the Act and subsections (2) and (3) of the said section 40 shall apply as they apply to an offence under the Act.