557.This section makes provision for statements to be made by the Treasury when they decline to give a remedial direction under the preceding section.
558.Subsection (1) provides that if the Treasury decide not to give a remedial direction  action following a Commission report that they should, they must produce a statement giving their reasons.  Subsection (2) provides that if they do give such direction they must give details of this.  In addition, if they have made a direction in a case where the Commission has concluded that the adverse effect on competition is justified, they must publish a statement giving their reasons for doing so.
Commentary on Sections Part Xviii: Recognised Investment Exchanges and Clearing Houses Chapter II: Competition Scrutiny Section 309: Statements by the Treasury