(1) Notwithstanding regulation 26 -
(a) the PRA is the group supervisor of a group if all the supervisory authorities concerned take a joint decision that the PRA should be the group supervisor; and
(b) the PRA must recognise a joint decision taken by all the supervisory authorities that a supervisory authority other than the PRA should be the group supervisor of a group.
(2) The PRA may ask the other supervisory authorities concerned to consider whether -
(a) the criteria specified in paragraph 2 of Article 247 of the Solvency 2 Directive are appropriate for determining which supervisory authority should be the group supervisor; and
(b) a supervisory authority other than the supervisory authority satisfying those criteria should be the group supervisor.
(3) The PRA may not make a request referred to in paragraph (2) more than once a year.
(4) Where the supervisory authorities are considering (whether at the request of the PRA or another supervisory authority) whether the criteria