Code of Civil Procedure Article 436-4

The reason for either an appeal from a judgment or an appeal from a ruling taken in accordance with the provision of the first paragraph of Article 436-2 must be stated upon filing such appeal; where such appeal is filed after the appealed decision is announced and before such decision is served, the reason must be supplemented within ten days following the service of the decision.Where the appellant has failed to state the reasons in accordance with the provision of the preceding paragraph, the original court shall dismiss such appeal by a ruling without providing the appellant with an opportunity to rectify.