Ontario Highway Traffic Act

right so there was no ticket, just a yellow slip with my offense and a court date, signature my info, ect. what happened was i had just gotten it back from the drive clean guys, and then was on my way to the mto or w/e for the plates so i could bolt them on right there, but i got pulled over. my question is whats the worst that could happen ...

i had just bought a 97 vdub golf a few days prior, i am in the prosess of getting it plated i have the safty and just got the catalitic changed, but on my way to the drive clean i got pulled over and was found to be driveing with the plates off my old hyundai accent. the sticker was dated march 10 but its still unauthourized,,,, eny ways the ...