TfL Revenue Inspection Fails [Prepaid Beta]

Sadly a known issue.

Having talked with a friend of a friend working at TfL, Mondo is far from the only card that fails the offline check with the handheld readers. They are pretty used to it and as long as you’re nice about it, you’re incredibly unlikely to be fined. Any fine you are given can be quickly resolved when checked against the back end service.

Don’t take this as confirmed but word is that the way the check is performed will be changing to better support the wide range of cards they deal with sometime soon™.

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