london britain need total 1,200 government officials help register millions european union citizens live country country leave bloc 2019 interior minister amber rudd say tuesday government far recruit 700 officials need hire 500 system operational end next year rudd tell parliamentary committee finance ministry provide 50 million pound 66 million help cover cost set program rudd say go test roll stag make sure get right rudd say nimble toe ... make sure recruit necessary keep legal status right eu nationals one thorny issue britain complicate exit bloc three million eu citizens live uk 0.7592 pound uk say need 1,200 officials register eu nationals brexit