Digital threats

Email phishing

Updated on 2 Apr 2026

Phishing emails purporting to be from the Federal Tax Administration (FTA) are currently in circulation. These claim to contain an official notification regarding a refund. Please ignore these emails, do not click on any links they contain, do not disclose any personal data and delete these emails. Further measures can be found on the website of the Federal Office for Cyber Security.

OECD Model Tax Convention

Find out more about the model agreement of the Organisation for Economic Co-operation and Development (OECD) here.

Model Tax Convention on Income and on Capital (Full Version)

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