The penalties provided for in Article L. 571-4 shall apply to any person acting either on its own behalf or on behalf of a legal entity and practising as a provider of the services referred to in 1° to 4° of Article L. 54-10-2 who, after formal notice, fails to respond to requests for information from the Autorité des marchés financiers, obstructs it in any way whatsoever in the performance of its supervisory duties or provides it with inaccurate information.