KIEV, Sept. 24 - Naftogaz Ukrayiny has filed a cessation to the Supreme Court of Ukraine against a decision of Kiev Shevchenkivsky District Court confirming a decision of the Arbitration Institute of the Stockholm Chamber of Commerce, which obliges Naftogaz to return 11 billion cubic meters of gas (bcm) to RosUkrEnergo and pay a fine of 1.1 bcm of gas in commodity terms, the court's press service has reported.

The court received the appeal from Naftogaz on September 23.

According to procedure, the judge will review the cassation, and afterwards a decision will be taken on whether to accept or reject the document.