The Secretary may authorize the sale, offer for sale, introduction for sale, or delivery for introduction in interstate commerce, of a regrooved tire or a motor vehicle equipped with regrooved tires if the Secretary decides the tires are designed and made in a way consistent with
section 30101 of this title. A person may not sell, offer for sale, introduce for sale, or deliver for introduction in interstate commerce, a regrooved tire or a vehicle equipped with regrooved tires unless authorized by the Secretary.