Whenever, after investigation in accordance with the provisions of this title the commission shall be of the opinion that any provision or requirement of this title or any order of the commission is being, has been, or is about to be violated, it may make and enter of record an order in the premises, specifying the actual or proposed acts or omission to act which constitute such real or proposed violation and requiring that such violation be discontinued or rectified, or both, or that it be prevented.