Any person intending to file a draft public offer with the Autorité des marchés financiers pursuant to Chapter III of Title III of Book IV of the Monetary and Financial Code, with a view to acquiring a given quantity of securities of an insurance or reinsurance undertaking authorised in France, may give prior notice to the Chairman of the Autorité de contrôle prudentiel et de résolution eight working days before the draft offer is filed or publicly announced, whichever is earlier.