++++ 1. Procedure ° Submission of new pleas in law during the course of the proceedings ° Relevant provisions of the Rules of Procedure laying down neither a time-limit nor any particular formality ° No time bar (Rules of Procedure of the Court of First Instance, Art. 48(2)) 2. Actions for annulment ° Pleas in law ° Infringement of essential procedural requirements ° Notification, in breach of the Commission' s Rules of Procedure, of a decision not previously authenticated (EEC Treaty, Art. 173; Commission' s Rules of Procedure, Art. 12) 3. Actions for annulment ° Pleas in law ° Infringement of essential procedural requirements ° Regularization after an action has been brought ° Not permissible (EEC Treaty, Art. 173)