81. The Lieutenant Governor in Council may make regulations requiring any type or class of commercial motor vehicle or trailer to be equipped with rear bumpers and prescribing the location and means of attachment of the bumpers and prescribing the specifications for the bumpers. R.S.O. 1990, c. H.8, s. 81.
"The hardest thing to explain is the obvious"
www.OHTA.ca & www.OntarioHighwayTrafficAct.com