La. Code Civ. Proc. art. 1112

Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
Section 1112 - Defendant in reconvention may bring in third person

The defendant in reconvention likewise may bring in his warrantor, or any person who is or may be liable to him for all or part of the reconventional demand, and the rules provided in Articles 1111, and 1113 through 1115 shall apply equally to such third party actions.

La. C.P. § 1112