Ontario Highway Traffic Act

A Service number plate may be used on a trailer or motor vehicle other than a motorcycle or motor assisted bicycle only,
(a) for purposes related to the repair, road testing, customization or modification of the vehicle, if the vehicle is in the possession of the person to whom the Service permit corresponding to the Service number plate is issued ...

I was driving in Innisfil a few days ago and was pulled over by the opp. The car i was driving had my yellow service plate on it, i presented the officer the permit for the plate, the insurance slip for the plate, and my drivers licence, everything was up to date. The car is not in my name and i did not have the ownership with me. I was given a ...