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[...] The literature on differentiated integration and multi-speed Europe is huge, and this explains why the ideas of differentiated integration and asymmetry have been extended and adapted to many different processes by scholars over the years. In this sense, symmetry and asymmetry have been defined in the following terms: “Federal symmetry refers to the uniformity among member states in the pattern of their relationships within a federal system. ‘Asymmetry’ in a federal system, therefore, occurs where there is a differentiation in the degrees of autonomy and power among the constituent units.”
While some comparative lawyers still treat asymmetry as an exception in the life of federal polities (and this can be explained by conceiving the foedus as a contract between parties put on an equal footing), actually this concept has progressively acquired a key role in the history of federalism. In other words, today asymmetry is the rule rather than the exception in this field.
Asymmetry has been frequently experimented with within federalising processes, especially in those federal or quasi-federal contexts characterised by the coexistence of different legal and cultural backgrounds (Canada, for instance but also Belgium, India and Spain). One should take this into account before conceiving, for instance, of enhanced cooperation as a form of “constitutional evil” conducive to a “disintegrative” multi-speed Europe.
On the contrary, asymmetry might even serve as an instrument of constitutional integration. For instance, flexibility and asymmetry are two of the most important features of Canadian federalism, elements partly explicable by taking into account the cultural and economic diversity present in the territory. [...]
At the same time asymmetry is a resource for a polity that wants to recover disadvantaged minorities and that respects the equal dignity of its components. In other words, asymmetry is a game between centripetal and centrifugal forces, and here again one can find interesting clues from comparative studies. Indeed, the debate on the possible negative implications of asymmetry leads to the identification of a constitutional core of principles and values whose respect makes asymmetry “sustainable”: this is also the rationale of asymmetry in EU law for instance, when dealing with Art. 326 TFEU.
As comparative law shows, asymmetry works as a safety valve of some tensions generated by the coexistence of different cultures.
This is crucial to conceive the flexibility ensured by asymmetry as an added value to the integration phenomenon. Against this background, flexibility gives “something more” to the life of a political system only when the identity of this system is preserved; otherwise, flexibility would lead to a revolution in a technical sense, i.e. a transformation of the identity of the legal system. In order to avoid this, a legal system allowing asymmetry presents some constitutional safeguards.
[...] Enhanced cooperation aims to ensure, at the same time, unity and diversity. In fact, it allows Member States to experiment with different forms of integration without “shutting the door” to those unwilling to take steps towards deeper integration in specific areas (openness is at the heart of Art. 331 TFEU). Enhanced cooperation can be conceived as a sort of extrema ratio to be exploited when the Council realises that the goals of integration cannot be achieved within a reasonable period by the EU as a whole. The procedures to be followed in this case ensure the intervention and control of the other EU institutions (Commission, Parliament) guaranteeing the common agents’ control.
Enhanced cooperation under EU law also counter-balances (partly at least) Bauböck’s argument on the lack of transparency of asymmetrical dynamics, since according to Art. 330 TFEU, “[a]ll members of the Council may participate in its deliberations.” Finally, enhanced cooperation is conceived for specific areas, and this is “a guarantee not only for those Member States without the political will to join enhanced cooperation from the beginning, but also for those which do not meet the objective requirements for joining the enhanced cooperation scheme.” As mentioned previously, the discipline of enhanced cooperation under the EU is emblematic of how asymmetry can perform an integrative function. The governing provisions are Arts. 330-333 TFEU and Art. 20 TEU. As scholarspointed out, all these rules can be traced back to three groups of norms: those concerning the activation (minimum number of Member States, role of the Commission, Parliament and Council), those regarding the functioning of enhanced cooperation (regular use of the EU institutions, application of particular rules for the working of the Council, use of the passerelle clause) and, finally, those governing the possibility to join the cooperation for the “non-original parties.” More generally, when analysing these provisions it is possible to infer limits and conditions – what Fabbrini calls both ex ante and ex post caveats – of enhanced cooperation in EU law (for instance, exclusion of areas covered by the EU’s exclusive competence, the necessity to rely on it as a last resort, compliance with the EU Treaties).
All these elements serve as constitutional safeguards since they make the asymmetry produced by enhanced cooperation sustainable under EU law.
At the same time, sustainability is also guaranteed by norms like Art. 326 TFEU which clarifies that enhanced cooperation “shall comply with the Treaties and Union law” and “shall not undermine the internal market or economic, social and territorial cohesion. It shall not constitute a barrier to or discrimination in trade between Member States, nor shall it distort competition between them”. By so doing this provision identifies a list of elements that can be traced back to that untouchable core we referred to.
What can we learn from these technical points? In theory this reference to multi speed is not necessarily a bad thing but, unfortunately, the White Paper does not say too much on how such an asymmetric option should be activated and carried out. The EU Treaties already give a spectrum of possibilities, however, whatever this reference means it will be necessary to handle asymmetry with care, either by following the existing rules or by devising ad hoc safeguards to avoid transforming the EU into something else, into a different beast whose contour is barely recognisable to those who care about Europe.
Full article on Verfassungsblog