43(1)A special measures notice—
(a)may be withdrawn by a designated HMRC officer at any time by giving a further notice to the head of the UK group, and
(b)expires, if not previously withdrawn, at the end of the period of 27 months beginning with the relevant day.
(2)“The relevant day” means the later of—
(a)the day on which the special measures notice was given, and
(b)the day on which it was last confirmed under paragraph 44.