3.—(1) Subject to the paragraphs (2) and (3), fishing–
(a)by any Scottish fishing boat wherever it may be; or
(b)by any relevant British fishing boat within the Scottish zone,
with any trawl other than a single trawl is prohibited.
(2) Paragraph (1) shall not apply–
(a)to any beam trawler;
(b)to fishing with a trawl having a mesh size of not less than 80 millimetres in the Fladen area.
(c)to fishing with a trawl having a mesh size of not less than 80 millimetres–
(i)in ICES VI south of a line drawn westwards from the east coast of the Sound of Jura at 56° north latitude (West of Scotland);
(ii)in ICES VII (Irish Sea, West of Ireland and Porcupine Bank, South Coast of Ireland, Bristol Channel and English Channel); or
(iii)in ICES IV south of a line drawn eastwards from the east coast of England at 53( north latitude.
(d)to fishing with any trawl having a mesh size of 100 millimetres or more.