Interfax-Ukraine quoted Ukraine State Customs Service said the customs clearance of 11 billion cubic meters of gas belonging to Swiss-based RosUkrEnergo in favor of national JSC Naftogaz Ukrainy in February 2010 was done in violation of laws.

As the service said in a statement, the conclusions were drawn up by an ad hoc commission set up by the service to determine whether the customs clearance was lawful.

The statement said "Having studied the materials related to the customs registration of the gas, and checked the lawfulness of the decisions and activity of officials involved in the case, the commission confirmed that the customs clearance of the said gas in favor of NJSC Naftogaz Ukrainy was at variance with the current laws in effect and revealed numerous violations by State Customs Service officials."

According to the service, the materials were submitted to the investigation department of the Security Service of Ukraine.

(Sourced from Interfax-Ukraine)