A. Except as otherwise provided by law, every pleading subsequent to the original petition, and every pleading which under an express provision of law may be served as provided in this Article, may be served either by the sheriff or by:
(1) Mailing a copy thereof to the counsel of record, or if there is no counsel of record, to the adverse party at his last known address, this service being complete upon mailing.(2) Delivering a copy thereof to the counsel of record, or if there is no counsel of record, to the adverse party.(3) Delivering a copy thereof to the clerk of court, if there is no counsel of record and the address of the adverse party is not known.(4) Transmitting a copy by electronic means to counsel of record, or if there is no counsel of record, to the adverse party, at the number or addresses expressly designated in a pleading or other writing for receipt of electronic service. Service by electronic means is complete upon transmission but is not effective and shall not be certified if the serving party learns the transmission did not reach the party to be served.B. When service is made by mail, delivery, or electronic means, the party or counsel making the service shall file in the record a certificate of the manner in which service was made.C. Notwithstanding Paragraph A of this Article, if a pleading or order sets a court date, then service shall be made either by registered or certified mail or as provided in Article 1314, or by actual delivery by a commercial courier.D. For purposes of this Article, a “commercial courier” is any foreign or domestic business entity having as its primary purpose the delivery of letters and parcels of any type, and that:
(1) Acquires a signed receipt from the addressee, or the addressee’s agent, of the letter or parcel upon completion of delivery.(2) Has no direct or indirect interest in the outcome of the matter to which the letter or parcel concerns.
