The detailed provisions in the Treaty establishing the European Community (EC) and the Treaty on European Union (EU) are incorporated and in part reorganised in Part III of the Constitutional Treaty. Many of these provisions are incorporated unchanged as to their substance or with adjustments in their procedural arrangements A thorough reworking of the legal basis has been carried out in 2 areas only:
Substantive changes have also been made to the provisions on coordination of social security systems, health and cohesion.
New legal bases have been elaborated for the following areas: intellectual property, space policy, energy, tourism, sport, civil protection and administrative cooperation. Taxation policy is still subject to unanimity in the Council of Ministers following consultation of the European Parliament (EP).