"The OFT may, subject to subsection (4) [not relevant for present purposes] make a reference to the Commission if the OFT has reasonable grounds for suspecting that any feature, or combination of features, of a market in the United Kingdom for goods or services prevents, restricts or distorts competition in connection with the supply or acquisition of any goods or services in the United Kingdom or a part of the United Kingdom."
"(a) dismiss the application or quash the whole or part of the decision to which it relates; and (b) where it quashes the whole or part of that decision refer the matter back to the original decision maker [here the OFT] with a direction to reconsider and make a new decision in accordance with the ruling of the Competition Appeal Tribunal."