Constitution of the Hellenic Republic

Country
Greece

Article 5 (3). Personal liberty is inviolable. No one shall be prosecuted, arrested, imprisoned or otherwise confined except when and as the law provides [...] Article 7 (1). There shall be no crime, nor shall punishment be inflicted unless specified by law in force prior to the perpetration of the act, defining the constitutive elements of the act. In no case shall punishment more severe than that specified at the time of the perpetration of the act be inflicted. [...]