91It must be acknowledged that the annulment of the contested regulation without maintaining its effects would be likely to have negative consequences on the achievement of the European Union policy on energy, since that regulation, in so far as it ensures the collection of information necessary for the achievement of the objectives of that policy, constitutes a necessary prerequisite to the adoption by the European Union institutions of all appropriate measures for that purpose. However, although the Parliament seeks the annulment of that regulation on the ground that an incorrect legal basis was used for it, it does not dispute the aim or content thereof.