(a) This subchapter does not grant to the commission the authority to:
(1) establish additional qualifications or a code of ethics for individuals subject to training or a background check under this subchapter, require those individuals to pass examinations or take continuing education courses, or otherwise regulate those individuals; or
(2) interfere with a court's authority to ensure a guardian is performing all of the duties required of the guardian respecting a ward.
(b) Individuals subject to training or a background check under this subchapter are not subject to enforcement action under Chapter 153.