19.—(1) No person shall knowingly keep, store, sell, plant, move or otherwise dispose of or knowingly cause or permit to be kept, stored, sold, planted, moved or otherwise disposed of—
(a)any tree pest of a description specified in Schedule 1;
(b)any relevant material of a description specified in column 2 of Schedule 2 carrying or infected with a tree pest of a description specified in column 3 of that Schedule in relation to that relevant material;
(c)any tree 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 trees in Great Britain; or
(d)any relevant material landed in contravention of article 5(1)(d), (e) or (f) or article 18(1)(d) (e), (f) or (g).
(2) Nothing in paragraph (1) shall prohibit the keeping, storing, moving or otherwise disposing of any tree pest or relevant material referred to in that paragraph in compliance with any requirement imposed by an inspector under Part 6 in respect of that tree pest or relevant material.