(a) Except in the case of gross negligence, recklessness, or intentional misconduct, a person is immune from civil liability for an act or omission that occurs in giving assistance, advice, or resources, including the use of the person's assets, employees, or contractors, with respect to the response to an oil or gas emergency:
(1) that is declared under Section 91.952; and
(2) in which the assistance, advice, or resources are provided at the request of an authorized representative of a state, local, or federal agency.
(b) The immunities provided by this section are in addition to any other immunity or limitations of liability provided by law.