To amend section 313 of the Tariff Act of 1930 to allow duty drawback for grape juice concentrates made from Concord or Niagara grapes.

Amends the Tariff Act of 1930 to authorize the substitution of grape juice concentrate of degrees brix 68-70 made from Concord or Niagara grapes for any other grape juice concentrate of the same degrees brix, regardless of color, variety, or any other characteristic, for purposes of the drawback (refund) of duties on such products.