1. Regulatory arrangements of Member States shall respect the principle of home-country regulation and oversight by the Member State in which the statutory auditor or audit firm is approved and the audited entity has its registered office.
2. In the case of a statutory audit of consolidated accounts, the Member State requiring the statutory audit of the consolidated accounts may not impose additional requirements in relation to the statutory audit concerning registration, quality assurance review, auditing standards, professional ethics and independence on a statutory auditor or audit firm carrying out a statutory audit of a subsidiary established in another Member State.
3. In the case of a company whose securities are traded on a regulated market in a Member State other than that in which that company has its registered office, the Member State in which the securities are traded may not impose any additional requirements in relation to the statutory audit concerning registration, quality assurance review, auditing standards, professional ethics and independence on a statutory auditor or audit firm carrying out the statutory audit of the annual or consolidated accounts of that company.