Ontario Highway Traffic Act

Hello, I got a warning ticket for this and it bugs me. I had my sticker 2013 in the glove box but I still got the warning. My sticker says Jan2012 on my plate and I had bought the 2013 one but didn't stick it on yet. My b-day was over 1 week ago. Accourding to the traffic act "7(1)a nothing says your plates expire on your b-day just says you need a ...