2.—(1) Subject to subparagraph (2), a person seeking to have water recognised as natural mineral water in accordance with paragraph 1 of Part 1 or paragraph 1 of Part 2 of this Schedule, must carry out clinical and pharmacological analyses in accordance with scientifically recognised methods which should be suited to the particular characteristics of the natural mineral water and its effect on the human body, such as diuresis, gastric and intestinal functions, and compensation for mineral deficiencies.
(2) Clinical analyses may, in appropriate cases, take the place of the pharmacological analyses referred to in subparagraph (1), provided that the consistency and concordance of a substantial number of clinical observations enable the same results to be obtained.