12.—(1) Where in accordance with regulation 11(1)(b) a bottle containing a natural mineral water is required to be labelled with the name of the spring or the place of its exploitation—
(a)the same requirement also applies to any written advertisement for that natural mineral water; and
(b)in any other advertisement, at least equivalent prominence must be given to the place of exploitation or the name of the spring as is given to the trade description.
(2) A person must not advertise natural mineral water in contravention of paragraph (1).
(3) A person must not advertise natural mineral water under any indication, designation, trade mark, brand name, picture or other sign, whether figurative or not, the use of which suggests a characteristic which the water does not possess, in particular as regards its origin, the date of authorisation to exploit it, the results of analyses or any similar references to guarantees of authenticity.