Customary international law

Switzerland

Switzerland - Criminal Code 1937 (2017) EN

Book Two : Specific Provisions

Title Twelveter : War Crimes

Art. 264j

The penalty is a custodial sentence not exceeding three years or a monetary penalty for any person who in connection with an armed conflict violates a provision of international humanitarian law other than those mentioned in Articles 264c–264i, where such a violation is declared to be an offence under customary international law or an international treaty recognised as binding by Switzerland.

Rome Statute

Article 10

Nothing in this Part shall be interpreted as limiting or prejudicing in any way existing or developing rules of international law for purposes other than this Statute.