(a) A person who has a valid out-of-hospital DNR order under this subchapter may wear a DNR identification device around the neck or on the wrist as prescribed by department rule adopted under Section 166.101.
(b) The presence of a DNR identification device on the body of a person is conclusive evidence that the person has executed or issued a valid out-of-hospital DNR order or has a valid out-of-hospital DNR order executed or issued on the person's behalf. Responding health care professionals shall honor the DNR identification device as if a valid out-of-hospital DNR order form executed or issued by the person were found in the possession of the person.