La. R.S. 51:1945

At the time of receiving the comparable new motor vehicle or refund under R.S. 51:1944, the consumer, or lessor, where applicable, shall surrender the motor vehicle subject to the nonconformity to the manufacturer together with the certificate of title with all endorsements necessary to transfer title to the manufacturer. The manufacturer shall provide the consumer, or lessor, where applicable, with a comparable new motor vehicle or refund within thirty days after an offer to transfer title in compliance with this Section by the consumer, or lessor, where applicable, or within thirty days after a decision by the informal dispute settlement procedure established by the manufacturer to award a refund or replacement.