law: 18. Notice of hours of work.
  (1) There shall be displayed and correctly maintained by every employer a notice of hours of work in such form and manner as may be prescribed showing clearly for every day the hours during which motor transport workers may be required to work.
  (2) Subject to the other provisions contained in this Act, no such motor transport worker shall be required or allowed to work otherwise than in accordance with the notice of hours of work so displayed.