Foreigners in these settlement were allowed to leave the premises and travel freely out to a range of about 40 kilometers, and in addition they remained protected by extraterritoriality even while out of the settlements.
居留地の外国人は居留地の十里（約40キロ）四方への外出や旅行は自由に行うことができ、居留地外でも治外法権があった。