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Security alert

Phishing attempt posing as the FTA

Updated on 21 May 2026

A fraudulent message is currently circulating which purports to be from the Federal Tax Administration (FTA) and announces an alleged tax refund of CHF 287. This email is a phishing attempt designed to trick you into entering your bank details on a fake government website.Please ignore these emails, do not click on any links they contain, do not disclose any personal information, and delete these emails.

Country-related tax information

Here you will find everything you need to know about the double taxation agreements concluded by Switzerland and other country-related publications such as model conventions, treaty arrangements and tax forms for each country with which Switzerland has signed a double taxation agreement.

List of countries in alphabetical order

Information, agreements and forms for download, listed by country

DTA Abuse

DTA abuse refers to cases where tax relief is claimed in an abusive or unlawful manner based on double taxation agreements.

News

20 October 2025

Administrative assistance in accordance with FATCA: publication of final decrees pursuant to Article 5 paragraph 3 letter b of the FATCA Agreement

The Federal Tax Administration has published final decrees pursuant to Article 5 paragraph 3 letter b of the FATCA Agreement.

24 September 2025

Administrative assistance in accordance with FATCA: publication of final decrees pursuant to Article 5 paragraph 3 letter b of the FATCA Agreement

The Federal Tax Administration has published final decrees pursuant to Article 5 paragraph 3 letter b of the FATCA Agreement.

15 September 2025

Administrative assistance in accordance with FATCA: notification of receipt of FATCA group requests pursuant to Article 12 paragraph 1 FATCA Act

The Federal Tax Administration has published FATCA group requests pursuant to Article 12 paragraph 1 FATCA Act.

Contact

for questions on the application of the double taxation agreement

dba(at)sif.admin.ch

+41 58 462 71 29

State Secretariat for International Finance SIF
Double Taxation Treaties
Bundesgasse 3
3003 Berne

for questions regarding refunds and foreign withholding tax

If you have any questions, please contact us using the contact form.

Federal Tax Administration
Main Division DWS
Eigerstrasse 65
3003 Berne