Article R613-24 of the French Monetary and Financial Code
I. – Where the competent court or the Autorité de contrôle prudentiel et de résolution decides to take a reorganisation or winding-up measure in respect of a credit institution with one or more branches in another Member State within the meaning of Article L. 613-31-1, the Autorité de contrôle prudentiel et de résolution shall immediately inform the competent authority for the supervision of credit institutions in each Member State concerned….