(1) The CMA must carry out a review of a pro-competition order, including a replacement order, to determine whether to -
(a) revoke it without making a replacement order, or
(b) make a replacement order.
(2) Each time the CMA makes a pro-competition order, including a replacement order, it must identify a date by which it will carry out the review under subsection (1).
(3) The CMA must secure that the date is specified in the order.
(4) The CMA must keep under review -
(a) the effectiveness of a pro-competition order;
(b) the extent to which an undertaking subject to a pro-competition order is complying with it;
(c) whether to take action in accordance with Chapter 7 (enforcement and appeals) in respect of any undertaking that breaches a pro-competition order.