1. Any undertaking providing services shall submit to the competent authorities of the Member State of provision of services all documents requested of it for the purposes of implementing this Article, in so far as undertakings established there are also obliged to do so.
2. If the competent authorities of a Member State ascertain that an undertaking providing services within its territory does not comply with the legal rules in force in that State which are applicable to it, such authorities shall request the undertaking concerned to put an end to the irregular situation.
3. If the undertaking in question fails to comply with the request referred to in paragraph 2, the competent authorities of the Member State of provision of services shall inform the competent authorities of the Member State of establishment accordingly. The authorities of the Member State of establishment shall take all appropriate measures to ensure that the undertaking concerned puts an end to the irregular s