Section 760 ILCS 20/20 - Accounting by and Determination of Liability of Custodian(a) A minor who has attained the age of 14 years, the minor's representative, an adult member of the minor's family, a transferor, or a transferor's representative may petition the court (i) for an accounting by the custodian or the custodian's representative; or (ii) for 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 18 to which the minor or the minor's 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 Act or in any other proceeding, may require or permit the custodian or the custodian's representative to account.(d) If a custodian is removed under Section 19(f), 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.