CA Prob Code Section 9731

(a)

Pending distribution of the estate, upon a showing that it is to the advantage of the estate, the court may order that money of the estate in possession of the personal representative be invested in securities of the United States or of this state.

(b)

To obtain an order under this section, the personal representative or any interested person shall file a petition stating the types of securities that are proposed to be purchased and the advantage to the estate of the purchase.

(c)

Notice of the hearing on the petition shall be given as provided in Section 1220.