California Code, Labor Code - LAB § 4706

(a) If a dependent beneficiary of any deceased employee dies and there is no surviving dependent,the payments of the death benefit accrued and payable at the time of the death of the sole remaining dependent shall be paid upon the order of the appeals board to the heirs of the dependent or, if none, to the heirs of the deceased employee, without administration.

(b) In the event there is no surviving dependent and no surviving heir, the appeals board may order the burial expense of the deceased employee, not to exceed the amount specified in Section 4701, paid to the proper person, without administration.