Ruling is latest in two-year legal battle over tough immigration law . ( CNN ) -- The ruling comes after a federal judge ruled that the Arizona law, which requires police to check people's papers when they stop them, was unconstitutional. Unclear when Arizona will begin enforcing provision of law backed by court .
Ruling is latest in two-year legal battle over tough immigration law . The ruling comes after a federal judge ruled that the Arizona law, which requires police to check people's papers when they stop them, was unconstitutional. Unclear when Arizona will begin enforcing provision of law backed by court .