California Code, Probate Code - PROB § 9735

(a) After authorization by order of court, the personal representative may purchase securities or commodities required to perform an incomplete contract of sale where the decedent died having sold but not delivered securities or commodities not owned by the decedent. The court's order shall fix the terms and conditions of purchase.

(b) A petition under this section may be filed by the personal representative or by any party to the contract. Notice of the hearing on the petition shall be given as provided in Section 1220.

(c) No notice of hearing need be given where the maximum purchase price is fixed or where the securities or commodities are to be purchased on an established stock, bond, or commodity exchange.