52However, in this case, an action for annulment directed against the act at issue, whereby the Commission requests information from the German authorities on the revenues and costs of Deutsche Post, for the period from 1989 to 2007, does not involve a risk of confusion of the various stages of the administrative and judicial procedures (IBM v Commission, paragraph 20). Such an action for annulment should not lead the EU judicature to rule on the existence of a State aid measure or its possible compatibility with the internal market.