1. Member States shall not prevent investment firms and market operators operating an MTF from entering into appropriate arrangements with a central counterparty or clearing house and a settlement system of another Member State with a view to providing for the clearing and/or settlement of some or all trades concluded by market participants under their systems.
2. The competent authority of investment firms and market operators operating an MTF may not oppose the use of central counterparty, clearing houses and/or settlement systems in another Member State except where this is demonstrably necessary in order to maintain the orderly functioning of that MTF and taking into account the conditions for settlement systems established in Article 34(2).
In order to avoid undue duplication of control, the competent authority shall take into account the oversight/supervision of the clearing and settlement system already exercised by the national central banks as overseers of clearing and se