In 2004, the-then Labour government allowed free migration to the UK for workers from EU accession states including Poland, Hungary andtheCzechRepublic.
The first, comprising the poorest eight new members - Poland, Hungary, theCzechRepublic, Slovakia, Lithuania, Latvia, Estonia and Malta - will have a fifth of theEU population but on average just 42% of the GNP per capita.
Further it turns out Hungary andtheCzechRepublic are raising concerns with the treaty as well specifically with the idea for tax harmonization among EU members.