Louisiana Code of Civil Procedure Tit. II, Art. 1235. Service on representative

A. Service is made on a person who is represented by another by appointment of court, operation of law, or mandate, through personal or domiciliary service on such representative.

B. Service on an attorney, as a representative of a client, is proper when the attorney's secretary is served in the attorney's office.

C. For the purposes of this Article “secretary” shall be defined as the person assigned to a particular attorney and who is charged with the performance of that part of the attorney's business concerned with the keeping of records, the sending and receiving of correspondence, and the preparation and monitoring of the attorney's appointments calendar.