At the time of allowing the order prescribed in section 502 of this title, or at any time thereafter pending the proceeding, the court may make an order restraining the judgment debtor from selling, transferring, or in any manner disposing of any of his property liable to execution pending the proceeding. For disobeying any order or requirement authorized by this section and sections 501 and 502 of this title, the judgment debtor may be punished as for a contempt.