California Code, Insurance Code - INS § 11659

Such approved form of policy, limited pursuant to Section 11657, shall not be otherwise limited except by indorsement thereon in accordance with a form prescribed by the commissioner or in accordance with rules adopted by the commissioner.  Such indorsement form shall not be subject to Section 11658.  Before prescribing such indorsement form or adopting such rule, the commissioner shall consult concerning it with the Workers' Compensation Appeals Board.