4.—(1) The Welsh Ministers may authorise a method different from those set out in paragraph 3(2) or 3(3) if satisfied that it is at least as reliable.
(2) An authorisation may be time-limited and may be revoked at any time.
Commencement Information
I1Sch. 4 para. 4 in force at 20.11.2017, see reg. 1