ed miliband 's proposed change in the rules on ` non-doms ' cost britain billions , experts warned last night .
the labour leader announced plans to overhaul britain 's non-domicile regime , which allows 116,000 foreigners and people with foreign links to pay tax only on money that they bring into britain .
mr miliband initially suggested he would ` abolish ' non-dom status or but it later emerged that labour is effectively proposing a time limit on it of between two and five years that