20. In good faith prescribes, dispenses, or administers naloxone or other opioid antagonist used for overdose reversal in an emergency to an individual who is believed to be experiencing or about to experience a life-threatening opiate overdose shall not be liable for any civil damages for ordinary negligence in acts or omissions resulting from the rendering of such treatment if acting in accordance with the provisions of subsection X or Y of § 54.1-3408 or in his role as a member of an emergency medical services agency. see full law