3(1)The regulations must identify the activities to which the trading scheme applies.U.K.
(2)The regulations may identify the activities by reference to any, or any combination of, criteria and in particular—
(a)may identify the activities by reference to the locations or locations at which they are carried on, or
(b)may be expressed to apply to all activities of a particular kind carried on in the United Kingdom or a part of the United Kingdom.
(3)The regulations must specify the units of measurement of the activities for the purposes of the scheme.
(4)The regulations may specify units of measurement by reference to—
(a)the activities themselves,
(b)anything consumed or used for the purposes of the activities,
(c)anything produced by the activities, or
(d)any other consequence of the activities.
(5)The regulations may, in particular, make provision—
(a)for activities to be measured by reference to the amount (in tonnes of carbon dioxide equivalent) of the greenhouse gas emissions for which those activities are to be regarded as responsible; and
(b)as to the method by which that amount is to be measured or calculated.
(6)The regulations may make different provision in relation to different descriptions of activity to which the scheme applies.