(a) Service
Every order of the Commission shall be forthwith served upon the designated agent of the carrier in the city of Washington or in such other manner as may be provided by law.
(b) Suspension or modification
Except as otherwise provided in this chapter, the Commission is authorized to suspend or modify its orders upon such notice and in such manner as it shall deem proper.
(June 19, 1934, ch. 652, title IV, § 416, 48 Stat. 1100.)