Motor Vehicles - As enacted, authorizes the sale or purchase of previously titled antique or unique motor vehicles without a motor vehicle dealer license through auction formats held in Hamilton County that meet certain criteria. - Amends TCA Title 55, Chapter 17 and Title 62, Chapter 19.

HB 303 exempts certain antique or unique vehicle sales from requiring a motor vehicle dealer licenses when conducted through auctions held during motor vehicle festivals in Hamilton County. Specifically, it allows these sales at municipal convention centers in Hamilton County (population 366,200-366,300 per 2020 census) where festival proceeds fund a local neurological institute. The exemption applies only to these designated events and expires on October 22, 2025. This directly affects antique vehicle buyers and sellers participating in Hamilton County festivals meeting the specified criteria.