(1)This section identifies “the relevant national authority” for the purposes of this Part.
(2)The Scottish Ministers are the relevant national authority in relation to matters within the legislative competence of the Scottish Parliament.
(3)The Welsh Ministers are the relevant national authority in relation to matters that—
(a)are within the legislative competence of the National Assembly for Wales, or
(b)relate to limiting or encouraging the limitation of activities in Wales that consist of the emission of greenhouse gas, other than activities in connection with offshore oil and gas exploration and exploitation.
(4)In subsection (3)(b)—
“Wales” has the same meaning as in the Government of Wales Act 2006 (c. 32); and
“offshore oil and gas exploration and exploitation” has the same meaning as in the National Assembly for Wales (Transfer of Functions) Order 2005 (S.I. 2005/1958).
(5)The Secretary of State or the relevant Northern Ireland department is the relevant authority in relation to reserved matters within the meaning of the Northern Ireland Act 1998 (c. 47).
(6)The relevant Northern Ireland department is the relevant authority in relation to all other matters within the legislative competence of the Northern Ireland Assembly.
(7)The Secretary of State is the relevant national authority in relation to all other matters.