You can add any New Zealand issued Mastercard, Visa, American Express or Diners Club card into your MasterPass wallet. The cards you store in the wallet do not have to be Westpac issued cards. Please note, however, Westpac NZ is not liable for any non-Westpac issued cards stored in your Westpac MasterPass wallet. For these cards, please contact the relevant card issuer, and refer to the Westpac MasterPass Terms and Conditions for further information.