1. The ordinary legislative procedure shall consist in the joint adoption by the European Parliament and the Council of a regulation, directive or decision on a proposal from the Commission. This procedure is defined in Article 294.
2. In the specific cases provided for by the Treaties, the adoption of a regulation, directive or decision by the European Parliament with the participation of the Council, or by the latter with the participation of the European Parliament, shall constitute a special legislative procedure.
3. Legal acts adopted by legislative procedure shall constitute legislative acts.
4. In the specific cases provided for by the Treaties, legislative acts may be adopted on the initiative of a group of Member States or of the European Parliament, on the recommendation of the European Central Bank or at the request of the Court of Justice or the European Investment Bank.