(a) The supervision and delegation requirements of this chapter and Subtitle B do not apply to medical tasks performed by a physician assistant:
(1) during a disaster under the state emergency management plan adopted under Section 418.042, Government Code;
(2) during a disaster declared by the governor or United States government; or
(3) as a volunteer for a charitable organization or at a public or private event, including a religious event, sporting event, community event, or health fair.
(a-1) This section does not apply to medical tasks performed by a physician assistant for compensation or other remuneration.

(b) A physician assistant performing medical tasks under this section:
(1) is entitled to the immunity from liability provided by Section 74.151, Civil Practice and Remedies Code; and
(2) is acting within the scope of the physician assistant’s license for purposes of immunity under Section 84.004(c), Civil Practice and Remedies Code.
(c) A physician assistant may perform tasks described by this section:
(1) under the supervision of any physician who is also performing volunteer work in the disaster, for the charitable organization, or at the public or private event; or
(2) without the supervision of a physician, if a physician is not available to provide supervision.
(d) A physician assistant employed by the United States government or licensed in another state may perform medical tasks in this state in circumstances described by Subsection (a)(1) or (2) without holding a license in this state.