Article 8. The operation of the law on criminal liability in regard to offenses committed by foreign nationals or stateless persons outside Ukraine Foreign nationals or stateless persons not residing permanently in Ukraine, who have committed criminal offenses outside Ukraine, shall be criminally liable in Ukraine under this Code in such cases as provided for by the international treaties, or if they have committed any of the special grave offenses against rights and freedoms of Ukrainian citizens or Ukraine as prescribed by this Code. Article 9. Legal consequences of conviction outside Ukraine 1. A judgment passed by a foreign court may be taken into account where a citizen of Ukraine, a foreign national, or a stateless person have been convicted of a criminal offense committed outside Ukraine and have committed another criminal offense on the territory of Ukraine. 2. Pursuant to the first paragraph of this Article, the repetition of criminal offenses, or a sentence not served, or any other legal consequences of a judgment passed by a foreign court shall be taken into account in the classification of any new criminal offense, determination of punishment, in the discharge from criminal liability or punishment. Article 10. Extradition of a person accused of a criminal offense and a person convicted of a criminal offense 1. Citizens of Ukraine and stateless persons permanently residing in Ukraine, who have committed criminal offenses outside Ukraine, shall not be extradited to a foreign state for criminal prosecution and committal for trial. 2. Foreign nationals, who have committed criminal offenses on the territory of Ukraine and were convicted of these offenses under this Code, may be transferred to serve their sentences for the committed offenses in the state, whose nationals they are, where such transfer is provided for by the international treaties of Ukraine. 3. Foreign nationals or stateless persons not residing permanently in Ukraine, who have committed crimes outside Ukraine and stay on the territory of Ukraine, may be extradited to a foreign state for criminal prosecution and committal for trial, or transferred to serve their sentence, where such extradition or transfer is provided for by the international treaties of Ukraine. Chapter III. CRIMINAL OFFENSE, ITS TYPES AND STAGES Article 11. Notion of a criminal offense 1. A criminal offense shall mean a socially dangerous culpable act (action or omission) prescribed by this Code and committed by an offender. 2. Although an act or omission may have, technically, any elements of an act under this Code, it is not an offense if, due to its insignificance, it is not a social danger, i.e. it neither did nor could cause considerable harm to any natural or legal person, community, society or the state. Article 12. Classification of criminal offenses 1. Depending on the gravity, criminal offenses shall be classified as minor offenses, medium grave offenses, grave offenses, or special grave offenses.