§1. In the penal trial itself an injured party can bring a contentious action to repair damages incurred personally from the delict, according to the norm of can. 1596.
§2. The intervention of the injured party mentioned in §1 is not admitted later if it was not made in the first grade of the penal trial.
§3. The appeal in a case for damages is made according to the norm of cann. 1628-1640 even if an appeal cannot be made in the penal trial; if both appeals are proposed, although by different parties, there is to be a single appellate trial, without prejudice to the prescript of can. 1730.
Source: Code of Canon Law (Vatican.va)