FAQ

General questions

Contacting the FNS

  • Email: fns@secu.lu
  • Telephone: +352 491081 - 1
  • Post: B.P. 2411, L-1024 Luxembourg

Please always make sure you have your national identification number or your case number from our correspondence.

How do I request a proof of benefits certificate from the FNS?

You can request these certificates on this page.

Has my letter arrived?

The FNS sends confirmation of receipt for any applications submitted. In theory, every document reaches the FNS. Please refrain from calling the FNS to ask if we have received your letter.

How can I change the number of the account into which a benefit is paid?

A change of bank account may be requested from the FNS in writing by post or by email to the attention of the correspondent in question, or to the department in charge.

The request for a change of bank account must be accompanied by a bank account identification document (RIB) issued by the financial institution.

It is also important to provide us with the beneficiary's national identification number and/or case number, if applicable.

Frequently asked questions about our services

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