without prejudice to the provisions relating to the Social Fund. 4. A Member State may entrust management and labour, at their joint request, with the implementation of directives adopted pursuant to paragraphs 2 and 3. In this case, it shall ensure that, no later than the date on which a directive must be transposed in accordance with Article 189, management and labour have introduced the necessary measures by agreement, the Member State concerned being required to take any necessary measure enabling it at any time to be in a position to guarantee the results imposed by that directive. 5. The provisions adopted pursuant to this Article shall not prevent any Member State from maintaining or introducing more stringent protective measures compatible with the Treaty. 6. The provisions of this Article shall not apply to pay, the right of association, the right to strike or the right to impose lock-outs. ARTICLE 3 1. The Commission shall have the task of promoting the consultation of management and labour at Community level and shall take any relevant measure to facilitate their dialogue by ensuring balanced support for the parties. 2. To this end, before submitting proposals in the social policy field, the Commission shall consult management and labour on the possible direction of Community action. 3. If, after such consultation, the Commission considers Community action advisable, it shall consult management and labour on the content of the envisaged proposal. Management and labour shall forward to the Commission an opinion or, where appropriate, a recommendation. 4. On the occasion of such consultation, management and labour may inform the Commission of their wish to initiate the process provided for in Article 4. The duration of the procedure shall not exceed nine months, unless the management and labour concerned and the Commission decide jointly to extend it. ARTICLE 4 1. Should management and labour so desire, the dialogue between them at Community level may lead to contractual relations, including agreements. 2. Agreements concluded at Community level shall be implemented either in accordance with the procedures and practices specific to management and labour and the Member States or, in matters covered by Article 2, at the joint request of the signatory parties, by a Council decision on a proposal from the Commission. The Council shall act by qualified majority, except where the agreement in question contains one or more provisions relating to one of the areas referred to in Article 2(3), in which case it shall act unanimously. ARTICLE 5 With a view to achieving the objectives of Article 1 and without prejudice to the other provisions of the Treaty, the Commission shall encourage co-operation between the Member States and facilitate the co-ordination of their action in all social policy fields under this Agreement. ARTICLE 6 1. Each Member State shall ensure that the principle of equal pay for