sector principle
noun1
A principle in international law where international boundaries are extended over sea areas in the Arctic towards the North Pole following meridians (lines of longitude). The same principle is used over land in the Antarctic to the South Pole.
- The Canadian authorities have also relied upon the sector principle for the purposes of the Inuvialuet Land Claim and the Nunavut boundary.2001, Alex G. Oude Elferink, editor, The Law of the Sea and Polar Maritime Delimitation and Jurisdiction: