What to do if…
a restaurant tip adjustment posts days later and pushes your account into overdraft

What to do now

1. Stabilise the account first.

   • If you safely can, transfer in enough to bring the account back within your arranged overdraft limit, or above £0 if you have no arranged overdraft.
   • Check what is due to leave next, such as rent, bills, subscriptions, or loan payments.
   • If a payment is likely to fail, contact the payee quickly and ask whether the payment date can be moved or whether another payment method is safer.

2. Check the posted transaction, not only the pending amount.

   • Open the posted restaurant transaction in your banking app or online banking.
   • Note the merchant name, meal date if shown, posting date, final amount, and any separate fee or interest entries.
   • Screenshot the posted transaction and, if visible, any earlier pending authorisation or notification showing a lower amount.

3. Find what you agreed to at the restaurant.

   • Save a photo of the receipt, card slip, booking confirmation, or digital receipt showing the bill total and tip.
   • If you do not have a receipt, write down the restaurant name, date, approximate bill total, tip you believe you entered, and whether you signed, tapped, used chip and PIN, or entered the tip on a terminal.
   • Keep this short; you only need enough detail to help the restaurant and bank trace the payment.

4. Ask the restaurant to check the adjustment.

   • Ask them to confirm the base bill amount, the tip amount submitted, and the final amount sent to the card processor.
   • If the tip or total is wrong, ask them to refund or correct the difference and send written confirmation.
   • Ask when the correction should be sent, then wait for the refund or correction to post unless the bank asks you for more information.

5. Contact your bank and make three clear requests.

   • Fee help: “A delayed restaurant tip adjustment pushed my account overdrawn. Please hold, waive, refund, or review any overdraft interest, overdraft fees, or refused-payment fees caused by this.”
   • Dispute route: “Please log this as a disputed card transaction amount and tell me what evidence you need.”
   • Chargeback: “If the merchant will not correct the amount, can you consider a chargeback or disputed-transaction claim for the difference?”

6. Ask about the UK refund route for some payee-initiated transactions.

   • If the final amount was different because the exact amount was not known when you authorised the card payment, ask your bank whether the refund route under the Payment Services Regulations may apply.
   • Say: “Was this an authorised transaction initiated by or through the payee where the exact amount was not specified at authorisation, and can I request a refund if the final amount was more than I could reasonably have expected?”
   • If this route applies, the request generally needs to be made within eight weeks of the debit date, so ask now rather than waiting.

7. Reduce the chance of the same shock happening again.

   • Turn on low-balance alerts if your banking app offers them.
   • Ask your bank what controls are available for overdraft use, card payments, and delayed settlements.
   • Do not rely on a setting fully blocking delayed card settlements; ask the bank what it can and cannot stop.

8. If the bank does not help, start a formal complaint.

   • Say: “I want to make a formal complaint about the overdraft charges and the handling of this disputed restaurant card amount.”
   • Keep the complaint short: the amount you believe you approved, the amount that posted, the date it posted, and the fees or interest triggered.
   • Keep copies of the complaint, the bank’s response, and any restaurant confirmation.