here in ontario you are required to have a front license plate on your car. a few years ago my aunt knocked the bracket off the front bumper and my cousin just screwed the plate directly to the bumper. after knocking it off 3 or 4 times on curbs etc, i got mad, thru the plate in the trunk and have been driving that way for the last few months.
altho everyone has warned me about "someone" who got a ticket for it, so far nothing. so if they aren't bugging about something that obvious, i wouldn't worry about a sticker!
of course now that i've laughed at the gods so blatantly by bragging to you guys, i'll probably get nailed next week......"but it just fell off the car tonite officer, i was going to put it right back on!!!"