Communicate your bank account number

The easiest and fastest way to update your bank account number is through MyMinFin. Note that the online platform MyMinFin is not available in English.

Steps:

• Log in using your eID, the “itsme” app or any other digital key
• Identify yourself “in your own name” and click “continue”
• Under the “My payments” tab, click on “Modify my bank account number”
• Enter your bank account number details (IBAN and BIC) and click “Modify the information”

Need help? Consult our tutorial below:

Deadline: update your bank account number before the 5^th day of the month when the tax refund is scheduled. Example: if your notice of assessment states that the tax refund will be made on August 30, then you must update your bank account number by August 5 to receive the tax refund on the chosen bank account.

Important: if you are married or in a legal cohabitation, we will transfer your tax refund to the last known bank account number. This is the same bank account number mentioned in your notice of assessment.

Tip: You can also give a mandate to a relative to carry out your tax procedures online on your behalf, including changing your bank account number ("Déléguer ses démarches fiscales à un proche ou agir à sa place" - link in French).

You do not have access to MyMinFin? Submit the online contact form. Attach the bank account identification statement (BIC details) of your account. If you have received a document inviting you to provide your account number, complete it and attach it to your request.

Deadline: submit your form before the 5^th day of the month when the tax refund takes place.

If necessary, you can send us your banking details by postal mail. Note: the processing of these banking data, send through postal service, will take longer and is less secure. That is why we strongly recommend using one of the channels mentioned above.

• Paper form received: if you have received a document inviting you to provide your account number, complete and sign the attached form, then send it to the following address:
  • Infocenter SPF Finance – Avenue du Prince de Liège 133 boîte 115 , 5100 Namur
  • Infocenter FÖD Finanzen– Avenue du Prince de Liège 133 boîte 131, 5100 Namur
  • Infocenter FOD Financiën – Gaston Crommenlaan 6 bus 116, 9050 Gent                                                                        
• Postal letter: if you do not have a form, send a letter including your last name, first name, and national register number to the address above. to the same address as mentioned above.

In both cases, please attach the bank account identification statement (BIC details) of your account.

Deadline: submit the form before the 20^th of the month preceding the month of the tax refund. Example: your notice of assessment mentions a date of tax refund on August 30, then you must send the form before July 20 to ensure the tax refund goes to the chosen bank account.​

How to obtain a Bank identification details (BIC)?
The procedure depends on the bank you are affiliated with:

• At some banks, the BIC can be accessed directly through the online banking app via a search.
• For other banks, you need to request it directly from the institution.

What is the purpose of a Bank identification details (BIC)?

• The BIC is used to verify the authenticity of a bank account and indicates the name(s) of the account holder(s).
• In addition, the BIC provides all the necessary information to make international payments, containing the essential data required for such transactions.

• MyMinFin: before the 5^th day of the month when the tax refund is scheduled
• Contact form: before the 5^th day of the month when the tax refund is scheduled
• Postal letter: before the 20^th day of the month preceding the month of tax refund