(1) If there is uncertainty as to the date on which a statutory auditor or audit firm began carrying out consecutive statutory audits for a public interest entity (including due to firm mergers, acquisitions, or changes in ownership structure), the statutory auditor or audit firm shall immediately report (in accordance with Article 17(8) of Regulation (EU) No 537/2014 and in such form and manner as the Supervisory Authority specifies) such uncertainty to the Supervisory Authority.
(2) On receipt of a report in the form specified in subsection (1), the Supervisory Authority shall -
(a) determine the relevant date for the purposes of that subsection, or
(b) request additional information from the statutory auditor or audit firm before making a decision referred to in paragraph (a).
(3) Where the Supervisory Authority, on receipt of a report, considers that it requires additional information from the statutory auditor or audit firm or public-interest entity before making a decision under
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