As for the South Sea Islands (Nanyo-cho), as in the case of the Kwantung Leased Territory, the government did not enforce the laws of the inland but exercised the legislative power by issuing the Imperial edicts of the Emperor, as those islands were not considered as Japan's territory.
南洋群島（南洋庁）についても、関東州と同様に領土ではないという点から、内地の法律を施行する措置は採られず、天皇が発する勅令により立法権を行使することにした。