1. Member States shall require that an investment firm and a market operator operating an OTF establishes arrangements preventing the execution of client orders in an OTF against the proprietary capital of the investment firm or market operator operating the OTF or from any entity that is part of the same group or legal person as the investment firm or market operator.
2. Member States shall permit an investment firm or market operator operating an OTF to engage in matched principal trading in bonds, structured finance products, emission allowances and certain derivatives only where the client has consented to the process.
An investment firm or market operator operating an OTF shall not use matched principal trading to execute client orders in an OTF in derivatives pertaining to a class of derivatives that has been declared subject to the clearing obligation in accordance with Article 5 of Regulation (EU) No 648/2012.