California Code, Probate Code - PROB § 10002

(a) Subject to subdivision (b), if directions are given in the will as to the mode of selling or the particular property to be sold, the personal representative shall comply with those directions.

(b) If the court determines that it would be to the advantage of the estate and in the best interest of the interested persons, the court may make an order relieving the personal representative of the duty to comply with the directions in the will. The order shall specify the mode and the terms and conditions of selling or the particular property to be sold, or both. The personal representative or any interested person may file a petition for an order under this subdivision. Notice of the hearing on the petition shall be given as provided in Section 1220.