1. The documents and particulars which must he published pursuant to this Regulation may be relied on by a grouping as against third parties under the conditions laid down by the national law applicable pursuant to Article 3(5) and (7) of Council Directive 68/151/EEC of 9 March 1968 on coordination of safeguards which, for the protection of the interests of members and others, are required by Member States of companies within the meaning of the second paragraph of Article 58 of the Treaty, with a view to making such safeguards equivalent throughout the Community [0J No L 65, 14. 3. 1968, p. 8.].

2. If activities have been carried on on behalf of a grouping before its registration in accordance with Article 6 and if the grouping does not, after its registration, assume the obligations arising out of such activities, the natural persons, companies, firms or other legal bodies which carried on those activities shall bear unlimited joint and several liability for them.