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.
SIF updates list of DTAs with abuse provisions
On 17 January 2020, the Bilateral Tax Issues and Double Taxation Division of the State Secretariat for International Financial Matters (SIF) updated the list of agreements with abuse provisions.
Federal Council opens consultation on the Federal Act on the Implementation of International Tax Treaties
At its meeting on 13 December 2019, the Federal Council opened the consultation process on the Federal Act on the Implementation of International Agreements in the Tax Field (new StADG). The consultation period will last until 27 March 2020.
BEPS Convention entered into force on 1 December 2019
The Multilateral Agreement on the Implementation of Agreement-Based Measures to Prevent the Reduction and Transfer of Profits ("BEPS Agreement") has been in force since 1 December 2019. With the help of the Convention, existing double taxation agreements can be adapted to the recommendations from the BEPS project.
Federal Council adopts the dispatch on the amendment of the AIA Act
At its meeting on 20 November 2019, the Federal Council adopted the dispatch on the amendment of the Federal Act on the International Automatic Exchange of Information in Tax Matters (AIAG).
OECD publishes consultation document on the introduction of a global minimum tax on profits
As part of its project on taxation of the digital economy, the Organisation for Economic Cooperation and Development (OECD) published the consultation document on the introduction of a global minimum tax on profits (so-called "Global anti-Base Erosion" or "GloBE") on 8 November 2019.
Federal Council adopts dispatches on the amendments to the DTAs with New Zealand, the Netherlands, Norway and Sweden
At its meeting on 6 November 2019, the Federal Council adopted the dispatches concerning the amendment protocols to the double taxation agreements (DTAs) with New Zealand, the Netherlands, Norway and Sweden.
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".










