Prohibition or prevention of persons from reading retail prices.
15.—(1) A person shall not, without reasonable cause, prevent another person from, or interfere with or obstruct another person who is—
(a) entering a place where goods are offered for sale in the course of any trade or business for the purpose of reading any prices displayed on, with or in relation to the goods, or
(b) reading any prices displayed as aforesaid, if the prices of the goods are not displayed (whether outside the place or elsewhere) so as to be capable of being read by the person while at or near the place without entering the place.
(2) A person who contravenes subsection (1) of this section shall be guilty of an offence.