5. In regulation 7—
(a)for paragraphs (2) and (3) substitute—
“(2) An area is designated as a nitrate vulnerable zone for the purposes of these Regulations if, as an area of land that drains into polluted waters and contributes to the pollution of those waters, it is marked as such a zone on a relevant map.
(3) For the purposes of this regulation—
(a)for the period beginning with 25 October 2013 and ending with the day on which the Welsh Ministers next revise or add to the designation of nitrate vulnerable zones under regulation 11(3), “map” means the map marked “Nitrate Vulnerable Zones Index Map 2013” and deposited at the offices of the Welsh Government at Cathays Park, Cardiff, CF10 3NQ;
(b)following any subsequent review under regulation 11(3), “map” means a map which is deposited at the offices of the Welsh Government at Cathays Park, Cardiff, CF10 3NQ and which—
(i)is marked “This map identifies those areas of Wales designated by the Welsh Ministers as a Nitrate Vulnerable Zone for the purposes of the Nitrate Pollution Prevention (Wales) Regulations 2013”; and
(ii)specifies the period to which it relates.”;
(b)in paragraph (4), for “at the latest every four years subsequently” substitute “before 1 January of every fourth year thereafter”.