30(1)The Attorney General or the Counsel General may refer to the Supreme Court any devolution issue which is not the subject of proceedings.
(2)Where a reference is made under sub-paragraph (1) by the Attorney General in relation to a devolution issue which relates to the proposed exercise of a function by the Welsh Ministers, the First Minister or the Counsel General—
(a)the Attorney General must notify the Counsel General of that fact, and
(b)the function must not be exercised by the Welsh Ministers, the First Minister or the Counsel General in the manner proposed during the period beginning with the receipt of the notification and ending with the reference being decided or otherwise disposed of.