4.—(1) The appropriate authority must, not later than 12th December 2013—
(a)evaluate the usefulness of the waste prevention measures set out as examples in Annex IV of the Waste Framework Directive and any other such measures the authority thinks fit; and
(b)establish one or more programmes of waste prevention measures (each a “waste prevention programme”).
(2) A programme established before the coming into force of these Regulations may be a waste prevention programme.
(3) In this regulation, “waste prevention measures” means measures taken before a substance, material or product has become waste that reduce—
(a)the quantity of waste, including through the re-use of products or the extension of the life span of products;
(b)the adverse impacts of generated waste on the environment and human health; or
(c)the content of harmful substances in materials and products.