See sections 1374.30 and 1370.4 of the Knox-Keene Health Care Service Plan Act of 1975 (part of the California Health and Safety Code). You can also see the rules that the DMHC has created for the IMR process. They are in Title 28 of the California Code of Regulations in sections 1300.74.30 and 1300.70.4. Click this link to review health care laws.