Cal. Health & Safety Code § 1365
(a) An enrollment or a subscription shall not be canceled or not renewed except for the following reasons:
(1)
(C)
(ii) During the first month of the three-month grace period described in clause (i), a health care service plan shall continue to do both of the following:
(iii) If the individual exhausts the three-month grace period described in clause (i) without paying all outstanding premiums due, the health care service plan shall return both of the following:
(5) If the plan ceases to provide or arrange for the provision of health benefits for new health care service plan contracts in the individual or group market, or all markets, in this state, provided, however, that the following conditions are satisfied:
(6) If the plan withdraws a health benefit plan from the market, provided that all of the following conditions are satisfied:
(b)