The orthodox theory also states that Parliament can legislate for territory beyond the jurisdiction of the UK, even if this produces a conflict with international law.

Mortensen v Peters (1906) 14 SLT 227 : The captain of a Norwegian trawler was convicted of fishing in the Moray Firth contrary to the Herring Fisheries (Scotland) Act 1889. The court held that it was bound to apply the Act, even though it restricted fishing beyond the three-mile territorial limit recognised by international law.