This chapter is an exercise by the parish of its governmental functions for the protection
of public peace, health and safety, and, pursuant to La. R.S. 29:735, neither the
parish, the officers and employees thereof, and the agents and representatives of
the parish, or any individual, receiver, firm, partnership, corporation, association
or trustee, or any of the agents thereof, in good faith carrying out, complying with
or attempting to comply with, any order, rule or regulation promulgated pursuant to
the provisions of this chapter or the provisions of state law, shall be liable for
any damage sustained to person or property as a result of the activity. Any person
owning or controlling real estate or other premises, who voluntarily and without compensation,
grants to the parish a license or privilege, or otherwise permits the parish to inspect,
designate and use the whole or any part or parts of such real estate or premises for
the purpose of sheltering persons during an actual, impending or practice enemy attack,
shall together with his successors in interest, if any, not be civilly liable for
the death of, or injury to, any person on or about such real estate or premises under
such license, privilege or other permission or for loss of, or damage to, the property
of such person.