7.—(1) Subject to paragraph (3) no person shall subject natural mineral water in its state at source to—
(a)any treatment other than a treatment referred to in sub-paragraph (a) or (d) of Article 4.1; or
(b)any addition other than the introduction or the reintroduction of carbon dioxide under the conditions laid down in Section III of Annex 1.
(2) No person shall sell any natural mineral water which, in its state at source, has been subjected to any treatment or addition in contravention of paragraph (1).
(3) Paragraph (1) shall not prevent the utilisation of natural mineral water in the manufacture of soft drinks.