California Code, Insurance Code - INS § 742.41

All employer groups who have health care coverage benefits provided by a multiple employer welfare arrangement for their employees and their dependents, regardless of individual condition or history of that employee and their dependents, shall continue to provide coverage thereunder pursuant to the terms and conditions of their multiple employer welfare arrangement, subject to only cancellation for nonpayment of contribution, or in the event of the termination of the multiple employer welfare arrangement.