Cal. Probate Code § 3919

(a) A minor who has attained the age of 14 years, the minor’s guardian of the person or legal representative, an adult member of the minor’s family, a transferor, or a transferor’s legal representative may petition the court for any of the following: (1) An accounting by the custodian or the custodian’s legal representative. (2) A determination of responsibility, as between the custodial property and the custodian personally, for claims against the custodial property unless the responsibility has been adjudicated in an action under Section 3917 to which the minor or the minor’s legal representative was a party. (b) A successor custodian may petition the court for an accounting by the predecessor custodian. (c) The court, in a proceeding under this part or in any other proceeding, may require or permit the custodian or the custodian’s legal representative to account. (d) If a custodian is removed under subdivision (f) of Section 3918, the court shall require an accounting and order delivery of the custodial property and records to the successor custodian and the execution of all instruments required for transfer of the custodial property. (e) The right to petition for an accounting shall continue for one year after the filing of a final accounting by the custodian or the custodian’s legal representative and delivery of the custodial property to the minor or the minor’s estate.