La. Stat. tit. 31 § 83
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
A mineral royalty may be created by one whose title terminates at a particular time or upon the occurrence of a certain condition, but it is extinguished at the specified time or on occurrence of the condition divesting the title.
La. R.S. § 31:83