1. This Regulation alone shall apply to concentrations as defined in Article 3, and Council Regulations (EC) No 1/2003 [OJ L 1, 4.1.2003, p. 1.], (EEC) No 1017/68 [OJ L 175, 23. 7. 1968, p. 1. Regulation as last amended by Regulation (EC) No 1/2003 (OJ L 1, 4.1.2003, p. 1).], (EEC) No 4056/86 [OJ L 378, 31. 12. 1986, p. 4. Regulation as last amended by Regulation (EC) No 1/2003.] and (EEC) No 3975/87 [OJ L 374. 31. 12. 1987, p. 1. Regulation as last amended by Regulation (EC) No 1/2003.] shall not apply, except in relation to joint ventures that do not have a Community dimension and which have as their object or effect the coordination of the competitive behaviour of undertakings that remain independent.

2. Subject to review by the Court of Justice, the Commission shall have sole jurisdiction to take the decisions provided for in this Regulation.

3. No Member State shall apply its national legislation on competition to any concentration that has a Community dimension.

The first subparagraph shall be without prejudice to any Member State's power to carry out any enquiries necessary for the application of Articles 4(4), 9(2) or after referral, pursuant to Article 9(3), first subparagraph, indent (b), or Article 9(5), to take the measures strictly necessary for the application of Article 9(8).