California Code, Insurance Code - INS § 1068

(a) As used in this section, the following definitions shall apply:

(b) In the event of the insolvency of a health care service plan, upon order of the commissioner which shall be issued following his or her receipt of a notice issued by the Director of the Department of Managed Health Care pursuant to Section 1394.7 of the Health and Safety Code, any insurer, nonprofit hospital service plan, and any other entity, other than a health care service plan, responsible for either the payment of benefits for or the provision of hospital, medical, and surgical benefits under a group contract, that participated in the enrollment process with the insolvent health care service plan at the last regular open enrollment period of a group, shall offer enrollees of the group in the insolvent health care service plan a 30-day enrollment period commencing upon the date of insolvency.  Each such carrier shall offer enrollees of the group in the insolvent health care service plan the same coverages and rates that it offered to enrollees of the group at the last regular open enrollment period of the group.