Notification of the presence or suspected presence of certain tree pests
40.—(1) The occupier or other person in charge of premises who knows or suspects that any tree pest to which this article applies is present on the premises, or any other person who, in the course of his duties or business, becomes aware or suspicious of the presence of such tree pest on any premises, shall immediately give notice to the Commissioners or an inspector of the presence or suspected presence of such tree pest and shall as soon as reasonably practicable after giving such notice confirm it in writing.
(2) This article applies to any tree pest—
(a)which is of a description specified in Schedule 1 or in column 3 of Schedule 2; or
(b)which, although not specified in Schedule 1 or 2, is not normally present in Great Britain and which is likely to be injurious to trees in Great Britain.