Spontaneous Exchange of Information SEOI

This page is aimed at all taxpayers and tax authorities affected by the Spontaneous Exchange of Information on advance tax rulings.

Überblick ─ Spontaner Informationsaustausch (SIA)

Questions & answers about the Spontaneous Exchange of Information

General questions

Questions about the procedure

Questions about the tax ruling

Questions about the ruling message & the specialist application (ePortal)

Last modification 05.09.2022

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Technical issues:
+41 58 464 54 01

Questions concerning the application:

Federal Tax Administration FTA
Division for exchange of information in tax matters
Eigerstrasse 65
3003 Berne


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