How to report an invalid card for a Booking.com reservation?
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Web Application
If the credit card provided by the guest in a Booking.com reservation is invalid, you can report it to Booking.com directly in mobile-calendar. Booking.com will ask the guest to provide a valid card, and if the guest does not do so within the specified time, you can cancel the reservation free of charge.
When can an invalid card be reported?
- You can report an invalid card until the end of the guest's arrival day.
- You can report the card for a given reservation only once.
How to report an invalid card?
In the calendar, click the Booking.com reservation.
At the top of the reservation window, click the Booking.com icon.
The Details - Booking.com window will open.

If you want to check the guest's card details, go to the Credit card tab.
Click Report invalid card.
In the "Report an invalid credit card?" window, click Report card.
After submitting the report, you will see a message that the invalid card has been reported to Booking.com.
What happens after reporting an invalid card?
Booking.com will ask the guest to provide a new, valid card.
The guest typically has 24 hours to update their card details.
If the guest provides a valid card within the specified time, the reservation will remain active.
How to cancel a reservation due to an invalid card?
If the guest does not provide a valid card within the specified time:
Open the Details - Booking.com window again for this reservation.
Click Cancel reservation (card).
In the "Cancel reservation free of charge?" window, click Cancel reservation.
The reservation will be canceled free of charge, and the status Canceled (invalid card) will appear on the reservation.
Why don't I see the "Report invalid card" button?
The button is not available if:
the deadline for reporting an invalid card has passed,
the card has already been reported,
a no-show has already been reported for the reservation,
the reservation has been canceled due to an invalid card,
If Booking.com rejects the report, you will see the rejection reason in a message in mobile-calendar.
Mobile Application
Introduction
If a guest’s Booking.com card is invalid, report it in the app. Booking.com will ask the guest to provide a valid card, usually within 24 hours.
Instructions
In the bottom menu, go to the More tab.
Go to Reservations -> Reservation list.
For a Booking.com reservation, tap Edit.
In the top bar, tap the Booking.com icon.
At the bottom of the "Details - Booking.com" window, tap Report an invalid card. You can report the card until the end of the arrival day. This does not apply to bookings paid through Payments by Booking.
In the "Report an invalid credit card?" window, tap the Report card button.
The invalid card will be reported to Booking.com.
Cancelling a reservation after reporting
If the guest does not provide a valid card by the deadline, the Cancel reservation (card) button will appear in the same window.
In the "Cancel the reservation free of charge?" window, tap the Cancel reservation button.
The reservation will be cancelled without fees or commission. This operation cannot be undone.
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