If you've lost your credit card or had it stolen you can freeze the card in the Tandem app. Tap on your credit card in the app and then "Manage your card" in order to do so. 

Please phone us on 0203 370 0970 and choose option 1 in order to report your card as lost or stolen, we'll need you to answer some questions for security reasons, lines are open 24/7. 

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