La. Code Civ. Proc. art. 930
Current with operative changes from the 2024 Third Special Legislative Session
On the trial of the declinatory exception, evidence may be introduced to support or controvert any of the objections pleaded, when the grounds thereof do not appear from the petition, the citation, or return thereon.
On the trial of the dilatory exception, evidence may be introduced to support or controvert any of the objections pleaded, when the grounds thereof do not appear from the petition.
La. C.P. § 930