Why this situation can become complex
Several transactions can be involved, and a bank’s explanations may distinguish the challenge itself, card blocking and a refund request.
Situation we support
Unauthorised bank transaction in France: a structured challenge
An unauthorised transaction should be identified by its date, amount, description and the steps already taken with the bank.
Get a callback within 24 hHow Normaxis can help
We organise the disputed transactions, written request and supporting documents so the file is clear and verifiable.
Useful documents
Prepare a readable case file.
- relevant bank statements
- evidence of when the issue was discovered
- correspondence and requests sent to the bank
- evidence of card blocking where applicable
Frequently asked questions
Before getting started.
No. Normaxis Conseil supports the preparation and follow-up of amicable and regulatory steps. When court representation is required, a referral to a partner lawyer may be proposed.
Yes. Normaxis works remotely throughout France with both individuals and businesses. Do not send sensitive documents in the first contact form.
Yes. The first contact lets you outline the situation and receive a proposal suited to the case.
Official sources
General information on this page should be checked against your case and the rules in force.
Last reviewed : 30 July 2026