Article 102 of the French Civil Code
The domicile of any French person, as regards the exercise of his civil rights, is at the place where he has his principal establishment. The place of exercise of the civil rights of a person with no stable place of residence is the place where they have elected domicile under the conditions provided for in Article L. 264-1 of the Code de l’action sociale et des familles. Boatmen and other…