La. Code Civ. Proc. art. 1267
Current with changes from the 2024 First and Second Extraordinary Sessions
If the officer making service certifies that he is unable, after diligent effort, to have service made as provided in Article 1266, then the service may be made personally on the secretary of state, or on a person in his office designated to receive service of process on limited liability companies. The secretary of state shall forward this citation to the limited liability company at its last known address.
La. C.P. § 1267