La. Code Civ. Proc. art. 1037
Current with operative changes from the 2024 Third Special Legislative Session
When a person does not assert in an incidental demand the action which he has against a party to the principal action or a third person, he does not thereby lose his right of action, except as provided in Article 1113, and except as provided in Article 1061.
La. C.P. § 1037