All Member States opened their internal markets when they joined the EU and many undertook to join the eurozone when the necessary criteria were objectively met (without any sleight of hand).
Visas ES dalībvalstis, pievienodamās ES, atvēra savu iekšējo tirgu un ir apņēmušās pievienoties euro zonai, t. i., objektīvi atbilst (neveicot mākslīgas, atbilstoši noteiktas darbības) noteiktajiem kritērijiem.