9. Before driving, a driver must have had at least 8 consecutive hours of rest immediately before beginning a work shift.
No operator shall request, require or allow a driver to drive and no driver shall drive after the driver has accumulated 13 hours of driving or 14 hours of service, or after 16 hours have elapsed since the conclusion of the most recent period of 8 consecutive hours of rest, unless the driver takes at least 8 consecutive hours of rest before driving again.
The period of 8 consecutive hours of rest may not be taken in a stopped heavy vehicle unless they are spent in the sleeper berth.