3. The powers of the competent authorities for data intermediation services are without prejudice to the powers of the data protection authorities, national competition authorities, authorities in charge of cybersecurity and other relevant sectoral authorities. In accordance with their respective competences under Union and national law, those authorities shall establish strong cooperation and exchange information as is necessary for the exercise of their tasks in relation to data intermediation services providers, and shall aim to achieve consistency in the decisions taken in applying this Regulation.