35Welsh emissions from international aviation and shippingE+W
(1)The Welsh Ministers may by regulations make provision for emissions of a greenhouse gas from international aviation and international shipping to count as Welsh emissions of the gas.
(2)The regulations may—
(a)specify activities which are to be regarded as international aviation or international shipping;
(b)specify the circumstances in which, and the extent to which, emissions of a greenhouse gas from international aviation or international shipping are to count as Welsh emissions of that gas;
(c)specify the period (whether past or future) from which emissions of a greenhouse gas from international aviation or international shipping are to count as Welsh emissions of that gas;
(d)make provision about how emissions of a greenhouse gas from international aviation or international shipping are to be taken into account in determining Welsh emissions of that gas for the baseline year for that gas;
(e)make different provision for different greenhouse gases and different periods.