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Westpac customers can access exclusive offers and bonus Cashback through ShopBack. Link an eligible Westpac debit or credit card to your ShopBack account before shopping, make an eligible purchase using the same linked card, and meet the ShopBack and merchant offer criteria. The eligible card must remain linked until Westpac bonus Cashback is confirmed by ShopBack. Westpac business debit cards and Westpac business credit cards are not eligible. Cashback offers may be varied or withdrawn at any time and may not be available with any other promotion. Cashback is paid into your ShopBack account and ShopBack terms and conditions apply.