occurred, which constitutes a feature of a prohibited act carrying a less severe penalty, shall be subject to criminal liability under the provision regarding the circumstance warranting this lesser liability. Article 29. Whoever commits a prohibited act in the justified but mistaken conviction that a circumstance has occurred which excludes unlawfulness or guilt, shall not commit an offence; if the mistake of the perpetrator is not justifiable, the court may apply extraordinary mitigation of the penalty. Article 30. Whoever commits a prohibited act while being justifiably unaware of its unlawfulness, shall not commit an offence; if the mistake of the perpetrator is not justifiable, the court may apply an extraordinary mitigation of the penalty. Article 31. § 1. Whoever, at the time of the commission of a prohibited act, was incapable of recognising its significance or controlling his conduct because of a mental disease, mental deficiency or other mental disturbance, shall not commit an offence. § 2. If at the time of the commission of an offence the ability to recognise the significance of the act or to control one's conduct was diminished to a significant extent, the court may apply an extraordinary mitigation of the penalty. § 3. The provisions of § 1 and 2 shall not be applied when the perpetrator has brought himself to a state of insobriety or intoxication, causing the exclusion or reduction of accountability which he has or could have foreseen. Chapter IV. Penalties Article 32. The penalties are: 1) fine, 2) restriction of liberty 10