13. A person shall not market genetically modified seed potatoes unless—
(a)it is clearly indicated in any marketing information, including any sales catalogue or other marketing representations provided by the person marketing the seed potatoes, that the seed potatoes have been genetically modified; and
(b)any official label or official document, or other label or document, affixed to, accompanying or relating to the seed potatoes clearly indicates that seed potatoes have been genetically modified.