La. Civ. Code art. 1394
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
If, since the partition, debts or charges before unknown, are discovered, such new charges, whatever they may be, shall be supported by all the heirs, and they shall mutually guarantee each other.
La. C.C. § 1394