5.—(1) All landscaping works must be carried out in accordance with the landscaping plan approved under Requirement 4 in accordance with the relevant recommendations of appropriate British Standards or other recognised codes of good practice.
(2) The landscaping works must be implemented in accordance with implementation timetables approved in the landscaping plan under regulation 4.
(3) Any tree or shrub planted as part of an approved landscaping scheme that, within a period of five years (save in relation to numbered works 1 and 5 which is to be seven years) after planting, is removed, dies or becomes, in the opinion of the relevant planning authority, seriously damaged or diseased, must be replaced in the first available planting season with a specimen of the same species and size as that originally planted, unless otherwise approved by the relevant planning authority.