11. For regulation 16 (analysis) there shall be substituted the following regulation —
“16.—(1) Subject to paragraph (2) below, methods of analysis which accord with Article 7.5 of Directive 98/83 shall be used for the purposes of determining whether or not water satisfies the provisions of Schedule 3.
(2) Before 25th December 2003, paragraph (1) above shall have effect as if the reference therein to Article 7.5 of Directive 98/83 were a reference to Article 12.5 of Directive 80/778 and the amendments made to these Regulations by regulations 17 to 21 of the Natural Mineral Water, Spring Water and Bottled Drinking Water (Amendment) (Wales) Regulations 2003 had not been made.”.