(1) Whenever an hours of trading order or an existing closing order in relation to any area is in force, then subject to such exemptions and conditions (if any) as may be contained in such order, it shall not be lawful for any person to carry on in any place, not being a shop, or from any vehicle within that area any retail trade or business at any time when, if such place or vehicle were a shop to which such order applies and such person were the proprietor of such shop, such person would by so doing be guilty of an offence under any section (other than this section) contained in this Part of this Act.

(2) If any person acts in contravention of this section, such person shall be guilty of an offence under this section.

(3) Nothing in this section shall -

(a) be construed as rendering unlawful the attendance of a barber or hairdresser on a customer in the customer's residence or the holding of an auction sale of private effects in a private dwelling house; or

(b) apply to the sale of newspapers.