a romanian woman being deported from new zealand after relationship broke down , has been told she must leave her 2-year-old son behind .
immigration told nicole mihai to return romania as she is not a nz citizen .
family court ruled she can not take son more then 50 kms from his father .
the 34-year-old has full custody of her son with his father out of the picture .
ms mihai is now undergoing a long battle with immigration agency who insist that her son 's living arrangements ` are not their problem '