Article 692-1 of the French Code of civil procedure
Notwithstanding any provision to the contrary, summonses intended for legal entities governed by private law, State administrations, local authorities, public administrative establishments, social security bodies and other bodies responsible for the management of a public administrative service may be sent to them by the court registry by any means to which they have previously consented. The summons sent under these conditions shall be deemed to have been served personally on…