The Svalbard Act of 17 June 1925 establishes that Svalbard is part of the Kingdom of Norway. Norwegian civil law, criminal law and procedural law apply to Svalbard unless other provisions are made. Other provisions only apply when specifically stipulated. The King may also impose general regulations for Svalbard.

The act also includes provisions about the administration of Svalbard and about ownership in the archipelago.

The act is not available in English.