Cal. Probate Code § 10830

(a) At any time after four months from the issuance of letters: (1) The personal representative may file a petition requesting an allowance on the compensation of the personal representative. (2) The personal representative or the attorney for the personal representative may file a petition requesting an allowance on the compensation of the attorney for the personal representative. (b) Notice of the hearing on the petition shall be given as provided in Section 1220 to all of the following: (1) Each person listed in Section 1220. (2) Each known heir whose interest in the estate would be affected by the payment of the compensation. (3) Each known devisee whose interest in the estate would be affected by the payment of the compensation. (4) The Attorney General, at the office of the Attorney General in Sacramento, if any portion of the estate is to escheat to the state and its interest in the estate would be affected by the petition. (c) On the hearing, the court may make an order allowing the portion of the compensation of the personal representative or the attorney for the personal representative, as the case may be, on account of services rendered up to that time, that the court determines is proper. The order shall authorize the personal representative to charge against the estate the amount allowed.