Quebec registration plates prohibited in front But why What bad would it do to put another plate in front I don t understand That is a question to ask the Qu bec government for their specific reasoning on that I know for a fact safety is one reason some jurisdictions give Example A front plate might look real and be confused for a real plate in other jurisdictions that have a front plate you can take your pick i m just hypothesizing why I do know that some vehicles in Qu bec Semis tractor trailers are required to have a front plate as the trailer hides the plate on the back of a Truck tractor for example Like I said just because it s not legal it does not mean police enforce it and just because it hasn t been enforced by some police does not mean it will not be by others