(80)For the purpose of strengthening the prudential supervision of UCITS or of undertakings contributing towards their business activity and protection of clients of UCITS or of undertakings contributing towards their business activity, auditors should have a duty to report promptly to the competent authorities, wherever, as provided for by this Directive, they become aware, while carrying out their tasks, of facts which are likely to have a serious effect on the financial situation or the administrative and accounting organisation of a UCITS, or an undertaking contributing towards its business activity.