Once your card has arrived and you have activated it in the Level app, 3D-Secure will display whenever the retailer supports it. During the checkout process a Mastercard SecureCode window will appear showing the Level logo advising you to go to your Level App to approve the transaction. Within a few seconds, you should receive a notification from the Level App. Once you have approved the transaction within the Level App, you will be able to continue the checkout process.

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