La. Stat. tit. 13 § 3481
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
Service of any process other than citation in any case provided by R.S. 13:3479 shall be made by serving a copy thereof on the secretary of state, and such service shall be sufficient service upon any such non-resident.
La. R.S. § 13:3481