We have a treaty and Article 123 prohibits financing of governments.
Article 97 of the Norwegian constitution prohibits any law to be given retroactive effect.
Article 201 prohibits the "corruption" of a minor under 16.
Article 5, Section 8, prohibits anyone holding federal office from being governor.
Article 191 specifically prohibited the production or acquisition of submarines.
Article 288 prohibits killing in order to commit a crime more easily.
Article 289 prohibits murder, which is killing with intention and planning.
Article 293 prohibits killing someone, if that person asks to do so.
Article 102 prohibits the abuse of dominant position, such as price discrimination and exclusive dealing.
Article 13 prohibits the use of email addresses for marketing purposes.