london british government say tuesday european union citizens currently live britain allow remain country brexit 2019. outline plan mass registration program department exit european union interior ministry say eu nationals give two-year grace period apply settle status britain leave eu legal status right eu nationals one thorny issue britain complicate exit bloc million eu citizens live britain caseworkers able use discretion process applications mean refuse minor technicalities majority would grant departments say statement cost application cost british passport eu citizens also give statutory right appeal deny clear safeguard right eu citizens top priority negotiations brexit minister david davis say support everyone wish stay gain settle status new straightforward streamline system britain say expect eu citizens stay brexit