IMPORTANT! Requests can only be submitted for health care services a person received on or after January 1, 2019, and that meet other requirements. A person should first work with the health insurer to determine the amount the portion of the bill that the insurer will pay and whether the bill qualifies for the dispute resolution process under Arizona law. For additional information, view the section of this webpage entitled, "I got a surprise bill. What can I do about it?"