La. Civ. Code art. 1591
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
When a particular or a general legacy lapses, accretion takes place in favor of the successor who, under the testament, would have received the thing if the legacy had not been made.
La. C.C. § 1591