Paragraph 4.11 References by courts
(1)
The First Minister and the deputy First Minister (acting jointly) and any Law officer who is not already a party to the proceedings may intervene in the proceedings on the reference by taking the steps specified in paragraph (2) below within 28 days of service of the copy reference on him; and he shall thereupon become a party to the proceedings on the reference.
(2)
The steps are—
(a)
entering an appearance; and
(b)
giving notice of having done so to the parties, the Law Officers with a potential interest (as defined in rule 4.8(3) above) and, in the case of a reference under paragraph 33 of Schedule 10, the court making the reference.