My "Dirt Bike" had been street registered for 5 yrs when the state put in the ORV sticker rule. Even though you can not register a vehicle in MA until the sales tax is paid I needed a Hard Copy of an ST-9 form to Prove I paid it. Now that I jumped through all the hoops it's easy to renew. It's way harder to Street Register a KDX than get an ORV stickers. I think I committed a felony or two with the documentation I provided to street register it!