(1) A pro-competition order comes into force at such time as the CMA may specify in the order.
(2) A pro-competition order ceases to have effect -
(a) when revoked under this section, or
(b) subject to provision made in reliance on section 17 (existing obligations), when the designation to which it relates ceases to have effect.
(3) The CMA may revoke a pro-competition order where it considers that it is appropriate to do so, having regard in particular to any change of circumstances since the pro-competition order was made.
(4) Where the CMA decides to revoke a pro-competition order, it must give a notice to that effect to the designated undertaking to which the order relates.
(5) The notice may include transitional, transitory or saving provision in relation to the revocation of the pro-competition order.
(6) The CMA must publish the notice as soon as reasonably practicable after giving it.
(7) Where a pro-competition order resulting from a PCI investigation is revoked without being
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