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Fraudulent emails

Updated on 31 Mar 2026

Emails are currently circulating which claim to be from the Federal Social Insurance Office, in which the sender asks the recipient to provide their OASI (Swiss social security) number so that the FSIO can proceed with a review of their case file.

Third party communicationPublished on 29 January 2026

New website for the FTA

Berne, 29.01.2026 — The website of the Federal Tax Administration (FTA) has been given a makeover. The site has been modernised and adapted to current technical and design standards. The website is still available at www.estv.admin.ch. Saved links will be redirected to the new website.