1. The Member States shall inform the Commission of any general difficulties encountered by their undertakings with concentrations as defined in Article 3 in a third country.

2. Initially not more than one year after the entry into force of this Regulation and, thereafter periodically, the Commission shall draw up a report examining the treatment accorded to undertakings having their seat or their principal fields of activity in the Community, in the terms referred to in paragraphs 3 and 4, as regards concentrations in third countries. The Commission shall submit those reports to the Council, together with any recommendations.

3. Whenever it appears to the Commission, either on the basis of the reports referred to in paragraph 2 or on the basis of other information, that a third country does not grant undertakings having their seat or their principal fields of activity in the Community, treatment comparable to that granted by the Community to undertakings from that country, the Commission may submit proposals to the Council for an appropriate mandate for negotiation with a view to obtaining comparable treatment for undertakings having their seat or their principal fields of activity in the Community.

4. Measures taken under this Article shall comply with the obligations of the Community or of the Member States, without prejudice to Article 307 of the Treaty, under international agreements, whether bilateral or multilateral.