1. The prudential supervision of an institution, including that of the activities it carries out in accordance with Articles 33 and 34, shall be the responsibility of the competent authorities of the home Member State, without prejudice to those provisions of this Directive which give responsibility to the competent authorities of the host Member State.
2. Paragraph 1 shall not prevent supervision on a consolidated basis.
3. Measures taken by the host Member State shall not allow discrimi natory or restrictive treatment on the basis that an institution is auth orised in another Member State.