Amends the Agricultural Marketing Act of 1946 to establish minimum per plant per reporting day purchase and slaughter requirements through spot purchases from nonaffiliated producers for a covered packer: (1) that is a cooperative; and (2) that is not a cooperative.Sets forth transitional requirements for a covered packer with a specified captive cattle supply.Defines "cooperative association of producers," "covered packer," "nonaffiliated producer," "spot market sale," and "reasonable competitive bidding opportunity."