The division of motor carrier and railroad safety may at any time, for good cause, suspend, and upon at least ten days' notice to the holder of any certificate or permit, and after hearing, revoke, alter or amend any such certificate or permit upon a finding:
However, such motor carrier shall be given a reasonable time, in the discretion of the division, not less, however, than thirty days, to comply with any orders issued by the division pertaining thereto.
§ 390.106, RSMo