1. Member States shall take all the measures necessary to ensure that the complaints procedures and penalties provided for in Articles 80(1) and 81(1) respectively are administered by the authorities empowered to ensure compliance with the provisions of national law adopted pursuant to the requirements laid down in this Section.
2. In the event of infringement or suspected infringement of the provisions of national law adopted pursuant to Titles III and IV, the competent authorities referred to in paragraph 1 shall be those of the home Member State of the payment service provider, except for agents and branches conducted under the right of establishment where the competent authorities shall be those of the host Member State.