In order to establish themselves in France, any national of a Member State of the European Union or of a State party to the Agreement on the European Economic Area is deemed to be qualified to conduct guided tours of museums and historic monuments under the conditions laid down in article L. 221-1, provided that he or she produces supporting documents issued by the competent authority of one of these States proving that he or she is qualified in accordance with the recognition conditions laid down by decree of the Conseil d’Etat to practise the profession of guide-interpreter or lecturer in that State.