3.—(1) Paragraphs 12 and 15 to 19 of Schedule 4 to the 2010 Act come into force on the applicable day in relation to any pre-commencement large raised reservoir.
(2) A reservoir is a pre-commencement large raised reservoir if was registered as a large raised reservoir under the Reservoirs Act 1975 (Registers, Reports and Records) Regulations 1985(1) immediately before 1 April 2016.
(3) Subject to paragraphs (4) and (5), the applicable day in relation to any pre-commencement large raised reservoir is the sooner of —
(a)28 days after the date upon which the Natural Resources Body for Wales designates that reservoir by virtue of a notice under section 2B(1) of the 1975 Act; and
(b)1 April 2017.
(4) Paragraph (5) applies where a pre-commencement large raised reservoir—
(a)has been designated by virtue of a notice under section 2B (1) of the 1975 Act; and
(b)the undertaker of the reservoir appeals against the designation under regulation 4(1) of the Reservoirs Act 1975 (Exemptions, Appeals and Inspections) (Wales) Regulations 2016(2).
(5) In any case where paragraph (4) applies, the applicable day is the sooner of—
(a)the date on which the Welsh Ministers decide the appeal by virtue of regulation 4(2) of the Reservoirs Act 1975 (Exemptions, Appeals and Inspections) (Wales) Regulations 2016; and
(b)1 April 2017.