(a) adopt joint positions and promote, using the appropriate form and procedures, any cooperation contributing to the pursuit of the objectives of the Union;
(b) adopt joint action in so far as the objectives of the Union can be attained better by joint action than by the Member States acting individually on account of the scale or effects of the action envisaged; it may decide that measures implementing joint action are to be adopted by a qualified majority;
(c) without prejudice to Article 220 of the Treaty establishing the European Community, draw up conventions which it shall recommend to the Member States for adoption in accordance with their respective constitutional requirements. Unless otherwise provided by such conventions, measures implementing them shall be adopted within the Council by a majority of two-thirds of the High Contracting Parties. Such conventions may stipulate that the Court of Justice shall have jurisdiction to interpret their provisions and to rule on any disputes regarding their application, in accordance with such arrangements as they may lay down.