(1)Her Majesty may by Order in Council—
(a)amend Part 1 of Schedule 5 to add a matter which relates to one or more of the fields listed in that Part, or to vary or remove any matter,
(b)amend that Part to add a new field or to vary or remove any field, or
(c)amend Part 2 or 3 of that Schedule.
(2)An Order in Council under this section does not have effect to amend Part 1 of Schedule 5 by adding a field if, at the time when the amendment comes into force, no functions in the field are exercisable by the Welsh Ministers, the First Minister or the Counsel General.
(3)An Order in Council under this section may make such modifications of—
(a)any enactment (including any enactment comprised in or made under this Act) or prerogative instrument, or
(b)any other instrument or document,
as Her Majesty considers appropriate in connection with the provision made by the Order in Council.
(4)An Order in Council under this section may make provision having retrospective effect.
(5)No recommendation is to be made to Her Majesty in Council to make an Order in Council under this section unless a draft of the statutory instrument containing the Order in Council—
(a)has been laid before, and approved by a resolution of, the Assembly, and
(b)having been so approved, has been laid before, and approved by a resolution of, each House of Parliament.
(6)As soon as is reasonably practicable after the draft of an Order in Council under this section has been approved by a resolution of the Assembly, the First Minister must ensure that—
(a)notice in writing of the resolution, and
(b)a copy of the draft,
is sent to the Secretary of State.
(7)The Secretary of State must, before the end of the period of 60 days beginning immediately after the day on which notice of the Assembly's resolution is received, either—
(a)lay the draft before each House of Parliament, or
(b)give notice in writing to the First Minister of the Secretary of State's refusal to do so and the reasons for that refusal.
(8)As soon as is reasonably practicable after the First Minister receives notice of the Secretary of State's refusal to lay the draft before each House of Parliament and the reasons for that refusal—
(a)the First Minister must lay a copy of the notice before the Assembly, and
(b)the Assembly must ensure that it is published.
(9)In reckoning the period of 60 days mentioned in subsection (7) no account is to be taken of any period during which Parliament is dissolved or prorogued or both Houses are adjourned for more than four days.
(10)The amendment of Schedule 5 by an Order in Council under this section does not affect—
(a)the validity of an Assembly Measure passed before the amendment comes into force, or
(b)the previous or continuing operation of such an Assembly Measure.