(a) Except as otherwise provided in this chapter, all orders of the commission shall take effect within such reasonable time as the commission may prescribe and shall continue in force until its further order or for a specified period of time, as shall be prescribed in the order, unless the same shall be suspended or modified or set aside by the commission or be suspended or set aside by a court of competent jurisdiction.
(b) As used in this chapter, the term “motor carriers” includes brokers.