Article 1006 of the French Code of civil procedure
The respondent to the appeal shall have a period of fifteen days from notification of the appellant’s statement of case or from the expiry of the one-month period provided for in Article 1004 to deliver a statement in response against a receipt, or send it by registered letter, to the registry of the Cour de cassation. Within the same time limit, it shall notify the claimant, by registered letter, of…