(1)No person shall, except during the period between half-past twelve and half-past two in the afternoon, or the period between half-past six and eleven in the evening, himself, or by his employee or agent, sell or supply alcoholic liquor on a passenger vessel during any voyage commencing on a Sunday and terminating on the same day, being—
(a)a voyage between any two places in Scotland; or
(b)a voyage in a vessel going from and returning on the same day to the same place in Scotland;
and if any person contravenes this section he shall be guilty of an offence.
(2)In this section, the expression “passenger vessel” means a vessel of any description employed for the carriage of passengers which goes from any place in the United Kingdom to any other such place, or goes from and returns to the same place in the United Kingdom on the same day.