20.—(1) No person may knowingly keep, store, plant, sell or move or knowingly cause or permit to be kept, stored, planted, sold or moved—
(a)any plant pest of a description specified in Schedule 1;
(b)any relevant material of a description specified in column 2 of Schedule 2 which is carrying or infected with a plant pest of a description specified in any entry in respect of that description of relevant material in column 3 of Schedule 2;
(c)any plant pest which, although not specified in Schedule 1 or in column 3 of Schedule 2, is not normally present in Great Britain and which is likely to be injurious to plants in Great Britain;
(d)any relevant material introduced into Wales in contravention of article 5(1)(d), (e) or (f) or article 18(1)(d), (e), (f) or (g);
(e)any relevant material of a description specified in column 2 of Part B of Schedule 4 which originates in Great Britain, unless the requirements specified in the entries in respect of that description of relevant material in column 3 of Part B of Schedule 4 are complied with;
(f)any relevant material of a description specified in column 2 of Part C of Schedule 4 which originates in Great Britain, unless the requirements specified in the entries in respect of that description of relevant material in column 3 of Part C of Schedule 4 are complied with;
(g)any relevant material introduced into Wales from England or Scotland which, if it had been introduced from a third country or another part of the European Union, would have contravened article 5(1)(d), (e) or (f) or article 18(1)(d), (e), (f) or (g).
(2) The prohibitions in paragraph (1) do not apply to any plant pest or relevant material which is required to be kept, stored or moved in compliance with a requirement imposed by an inspector under Part 6 or 7.
(3) Paragraph (1)(e) and (f) is subject to article 22.
(4) In this article, “move” (“symud”) means move or otherwise dispose of, and “moved” (“symud”) is to be construed accordingly.