1. Unless Member States provide otherwise, Articles 3 and 4 shall not apply to any transfer of an undertaking, business or part of an undertaking or business where the transferor is the subject of bankruptcy proceedings or any analogous insolvency proceedings which have been instituted with a view to the liquidation of the assets of the transferor and are under the supervision of a competent public authority (which may be an insolvency practitioner authorised by a competent public authority).
2. Where Articles 3 and 4 apply to a transfer during insolvency proceedings which have been opened in relation to a transferor (whether or not those proceedings have been instituted with a view to the liquidation of the assets of the transferor) and provided that such proceedings are under the supervision of a competent public authority (which may be an insolvency practitioner determined by national law) a Member State may provide that:
(a) notwithstanding Article 3(1), the transferor's debts