Upon the appointment of a successor conservator, the predecessor conservator or the personal representative of a deceased predecessor conservator shall deliver to the successor conservator all property of the ward held by the conservator and shall submit a final return covering the period since the conservator's last annual return. The surety of the predecessor conservator shall be liable for all acts of the conservator in relation to the ward's property up to the time of the receipt of all of the ward's property by the successor conservator.