In other words, it is advisable to examine globally, and without confining oneself to Community rules, the factual and legal framework in which a citizen of the Union undertakes to cross the borders of a Member State when coming from another Member State, in order then to decide (if appropriate) that, taking account of particular factors, of law and of fact, the imposition of systematic border controls on this citizen and an obligation to present a passport or identity card constitutes an unreasonable obstacle to the right to move freely, an obstacle which is not justified by `overriding reasons of public interest' or which in any case represents, for the citizen concerned, a constraint which goes `beyond what is necessary' to attain an objective affecting the public interest.
Pensé que iba a ser uno de esos esqueletos... que uno encuentra al vender la casaEurLex-2 EurLex-2