[bruno]

Like California, I presume you were issued two plates for a reason and it's not for just an extra souvenier. From what I gleaned off the internet below, you are required to have a front plate installed. Of course, you can take that risk like me and drive without it.

bruno
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Although we know there can be errors in Wikipedia, this is what is posted on their site:

In the Canadian provinces of Alberta, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Nunavut, Prince Edward Island, Quebec, and Saskatchewan, license plates are currently only required on the rear of the vehicle.

And from www.bcpl8s.ca/Passenger-2002-2004.htm, I found this information:
British Columbia Passenger License Plates
2001 to the present
Apparently, the scrapping of front license plates in BC received enough attention via the site that the government opted to post an explanation of why it would not do away with the two plate system. The following is the official response as it appears on wastebuster.gov.bc.ca;
Suggestion:
Eliminate front license plates
Response:
ICBC has in the past reviewed the issue of removing the front plate requirement and determined that there were too many good reasons to keep the front plate that outweighed the production cost savings. The savings of eliminating the front plate would be less than might be expected because only a portion of the manufacturing costs are saved (the front plate accounts for much less than 1/2 the production costs). Because the ordering, inventory and distribution costs remain essentially unchanged, the overall savings would be around 1/10 of the total costs for the license plate program.
Although some other provinces have done away with the front license plate, BC has not done so for a number of reasons. There is great benefit in that our highly reflective license plates enhance road safety by making vehicles more visible at night when parked or driving without headlights. This is especially true in low light, drizzle or fog conditions so common in BC's coastal regions. Safer roads equate to less insurance claims resulting in lower insurance premiums.
BC Law enforcement, crime prevention groups, and municipalities have supported the front license plate requirement for reasons that include accident reconstruction, examining oncoming traffic while approaching a crime scene, identification of vehicles towing trailers, and looking for stolen vehicles to name just a few positive benefits.