Louisiana Civil Code Tit. III, Art. 573. Dispensation of security

(1) A person has a legal usufruct under Article 223 or 3252.

(2) A surviving spouse has a legal usufruct under Article 890 unless the naked owner is not a child of the usufructuary or if the naked owner is a child of the usufructuary and is also a forced heir of the decedent, the naked owner may obtain security but only to the extent of his legitime.

(3) A parent has a legal usufruct under Article 891 unless the naked owner is not a child of the usufructuary.

(4) A surviving spouse has a legal usufruct under Article 2434 unless the naked owner is a child of the decedent but not a child of the usufructuary.