157. Meaning of 'alien enemy'.

The primary meaning of 'alien enemy' is one whose sovereign or state is at war with the Sovereign of the United Kingdom1.

However, in reference to civil rights, 'alien enemy' is used by the United Kingdom2 courts in a different sense and means one who is voluntarily resident3 or who carries on business4 in an enemy or enemy-subjugated country5, even though he is British (whether natural-born6 or naturalised7), or the subject of a neutral state8. A subject of an enemy state who is neither residing nor carrying on business in an enemy or enemy-subjugated country is not an alien enemy