(13)Where a company incorporated in one of the third countries or territories listed in Article 1 of this Decision whose transferable securities are admitted to trading on a regulated market of a Member State, but which is not admitted to trading in the third country or territory where it is incorporated, Member States should ensure that all the audit engagements related to the financial statements of such a company are covered by the cooperative arrangements concluded with the third country or territory concerned to determine which public oversight, quality assurance, investigations and penalties system will apply to the auditors of such companies. In a case where such audit engagements are undertaken by an auditor or audit entity of another Member State, Member States should cooperate to ensure that the audit engagement is included in the scope of one of their public oversight, quality assurance, investigations and penalty systems.