The definition of turnover according to the Minimum Tax Ordinance
According to the Minimum Tax Ordinance (MindStV), business units belonging to Switzerland are subject to Swiss supplementary tax if they belong to a group of companies with a turnover of at least EUR 750 million. The concept of turnover as a central prerequisite for subjective tax liability is only rudimentarily regulated in the ordinance. This article examines this concept from different perspectives with reference to various OECD/G20 documents and identifies open questions.
Taxation of spouses in international relations - tax segregation issues
In the zsis) issue of November 2019, the authors dealt with tax law stumbling blocks in the taxation of spouses in international relationships. In this article, they have focused on the tax segregation of international spouses. On the basis of a test scheme with three questions, they show that a systematic procedure is essential for correct tax segregation and that there is still a need for action here on the part of the assessment authority and the courts.
Taxation of employees in the case of cross-border work in the home office
Sarah Bühler, René Matteotti and Peter Vogt address the taxation of international employees and their home office activities. They provide an overview of the existing regulations and pay particular attention to the cross-border commuter agreements with Switzerland's neighboring countries.
Implications of the home office for cross-border commuters between Switzerland and Germany
Working from home has become much more important due to the Corona pandemic. Many employers have found that working from home has proven successful and have introduced regulations that enable mobile working. This also affects cross-border commuters between Germany and Switzerland. A variety of tax regulations, especially in the DTA D-CH, as well as consequences under social security law must be taken into account.
EU removes Switzerland from its watch list
Switzerland meets international tax standards and implements them. The European Union is now acknowledging this and removing Switzerland from its watch list. The amendment shall enter into force upon publication of the revised Annexes in the Official Journal of the EU.
Federal Council adopts dispatch on the Protocol of Amendment to the DTA with Ukraine
At its meeting on 9 October 2019, the Federal Council approved the dispatch on the approval of a Protocol of Amendment to the Agreement to Avoid Double Taxation in the Area of Taxes on Income and Capital (DTA) between Switzerland and Ukraine. The protocol implements the minimum standards in double taxation agreements and also adapts the DTA to the current treaty policy of the two states.
Exchange of information with 75 countries on around 3.1 million financial accounts
According to the media release of the Federal Tax Administration (FTA) of 7 October 2019, the FTA has exchanged information on financial accounts with 75 countries. The exchange takes place within the framework of the global standard for automatic information exchange (AIA).
Protocol of Amendment to the DTA between Switzerland and the United States of America comes into force
Switzerland and the United States of America exchanged the instruments of ratification of the Protocol of Amendment to their Double Taxation Convention in the area of taxes on income (DTA) in Bern on 20 September 2019. The Protocol, which came into force on the same day, represents a milestone in tax relations between Switzerland and the USA.
Federal Council adopts dispatches on the amendments to the DTAs with Ireland and Korea
At its meeting on 20 September 2019, the Federal Council adopted the Dispatches on the Protocols of Amendment to the double taxation agreements (DTAs) with Ireland and Korea. The protocols implement the minimum standards in the area of DTAs. In addition, an arbitration clause is included in the DTA with Ireland. Both messages were referred to the Federal Assembly.
Federal Supreme Court ruling of 26 July 2019 (2C_653/2018): Administrative assistance to France regarding the identity of UBS clients
The Swiss Federal Tax Administration (FTA) may provide France with information regarding the identity of UBS clients presumed to be taxable in France.
ISIS seminar folder "Gratuitous transfer of assets under tax law"
All documents from the ISIS) seminar "Gratuitous transfer of assets in tax law" from October 28, 2025 under the direction of Peter Mäusli-Allenspach in one PDF document. Case studies, detailed solution notes and slides: Here you will find all documents of the individual workshops according to the following content description.
Practical examples of cross-border issues in relation to Germany
Case studies, slides and detailed solution notes from the workshop held by Hanna Brozzo and Iring Christopeit on October 28, 2025 on the occasion of the ISIS seminar "Gratuitous asset transfers in tax law".
