In respect of a motor vehicle or trailer handed over to a custodian for the purpose of storage, the custodian —
(a) shall keep the motor vehicle or trailer at the premises stated in the certificate of designation;
(b) shall not use the motor vehicle or trailer for any purpose;
(c) shall not release the motor vehicle or trailer except under the written order of the Parking Authority issued under section 163;
(d) shall return the motor vehicle or trailer to the person indicated in the order of the Parking Authority in the same condition in which the custodian received it, subject to section 173.