Use of processes
32.—(1) The Welsh Ministers may at any time by notice in writing given to a water undertaker or supplementary licensee require the water undertaker or supplementary licensee to make an application to it for approval of the use of any process; and may prohibit the water undertaker or supplementary licensee for such period as may be specified in the notice from using any such process in connection with the supply by the water undertaker or supplementary licensee of water for regulation 4(1) purposes.
(2) The Welsh Ministers may refuse the application or impose on any approval given for the purposes of this regulation such conditions as they think fit and, subject to paragraph (3), may at any time by notice in writing to the water undertaker or supplementary licensee revoke an approval so given or modify or revoke any condition imposed by virtue of this paragraph.
(3) Subject to paragraph (4), unless the Welsh Ministers have given to the water undertaker or supplementary licensee at least 6 months’ notice in writing of the Welsh Ministers’ intention to revoke, vary or prohibit, as the case may be, the Welsh Ministers must not——
(a)revoke any approval given for the purposes of this regulation;
(b)modify any condition imposed by virtue of paragraph (2); or
(c)prohibit a water undertaker or supplementary licensee from using any process.
(4) Paragraph (3) does not apply in any case in which the Welsh Ministers are of the opinion that the immediate revocation, modification or prohibition is necessary in the interests of public health.
(5) Regulation 31(13) applies for the purposes of this regulation as if—
(a)for the reference to a substance or product there were substituted a reference to a process; and
(b)for the reference to paragraph (4)(a) and paragraph (8) there were substituted a reference to this regulation and paragraph (1) of this regulation respectively.