On 25 July 2011 , Breivik was charged with violating paragraph 147a of the Norwegian criminal code , `` destabilising or destroying basic functions of society '' and `` creating serious fear in the population '' , both of which are acts of terrorism under Norwegian law . He was ordered held for eight weeks , the first four in solitary confinement , pending further court proceedings .
He was charged with violating paragraph 147a of the Norwegian Criminal Code , which is `` destabilising or destroying basic functions of society '' and `` creating serious fear in the population '' , acts of terrorism under the criminal law and ordered held for eight weeks ; the first four in solitary confinement which was pending further court proceedings .