The claim may be based on only one of the cases provided for in the third to sixth paragraphs of Article 229 of the Civil Code. Any claim made in the alternative in any other case is inadmissible.
Except for the cases provided for in Articles 247 to 247-2 of the Civil Code, an application based on one of the cases of divorce defined in the third to sixth paragraphs of Article 229 of the Civil Code may not, during the proceedings, be substituted for an application based on another case.