La. Stat. tit. 29 § 733.1
Any person or organization, public or private, owning or operating immovable property or other premises who voluntarily and without compensation grants a license or privilege or otherwise permits the designation by the state or local homeland security and emergency preparedness agency or use of the whole or any part of the immovable property or premises for the purpose of sheltering persons or household pets or service animals during an actual, impending, mock, or practice emergency, together with his successor in interest, if any, shall not be liable for the death of, or injury to, any person or household pets or service animals on or about such immovable property or premises during the actual, impending, mock, or practice emergency, or for loss of, or damage to, the property of such person, solely by reason or as a result of the license, privilege, designation, or use, unless the gross negligence or the willful and wanton misconduct of the person owning or operating the immovable property or premises or his successor in interest is the proximate cause of the death, injury, loss, or damage occurring during the sheltering period.
La. R.S. § 29:733.1