1. Competent authorities shall be given all supervisory powers to intervene in the activity of institutions that are necessary for the exercise of their function, including in particular the right to withdraw an authorisation in accordance with Article 18, the powers required in accordance with Article 102 and the powers set out in Articles 104 and 105.
2. Competent authorities shall exercise their supervisory powers and their powers to impose penalties in accordance with this Directive and with national law, in any of the following ways:
(b) in collaboration with other authorities;
(c) under their responsibility by delegation to such authorities;
(d) by application to the competent judicial authorities.