; (B) is not rented to others; (C) has a gross vehicle weight of less than 15,000 pounds; and (D) is not primarily used in the course of an occupation, profession, or business of a person other than farming or ranching. Such term includes a motor vehicle owned by a farm family co-partnership or farm family corporation, which is principally garaged on a farm or ranch and otherwise meets the definition contained in this paragraph. 7. Effective date This Act shall take effect 1 year after the date of enactment of this Act.