CA Prob Code Section 8873

(a)

On petition by the personal representative, the court may issue a citation to a person who has possession or control of property in the decedent’s estate to appear before the court and make an account under oath of the property and the person’s actions with respect to the property.

(b)

Disobedience of a citation issued pursuant to this section may be punished as a contempt of the court issuing the citation.