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.
Switzerland and Croatia sign protocol of amendment to double taxation agreement
On July 18, 2025, Switzerland and Croatia signed a protocol of amendment to the double taxation agreement (DTA) in the area of taxes on income and capital.
Supplementary tax: crediting of residual tax as the relevant tax for Swiss supplementary tax
On 24 July 2025, the FTA published a notice stating that the crediting of the residual tax as the relevant tax for Swiss supplementary tax is recognized as part of the minimum taxation of multinational groups of companies.
Memorandum of Understanding between Switzerland and Sweden
On June 2, 2025, the SIF published a Memorandum of Understanding between Switzerland and Sweden.
Federal Council adopts dispatch approving the list of 74 partner states for the automatic exchange of information on crypto assets
On June 6, 2025, the Federal Council adopted the dispatch approving the introduction of the international automatic exchange of information (AEOI) on crypto assets with the relevant partner states. Entry into force is planned for 2026 with the first exchange of data in 2027.
Mutual agreement between Switzerland and Liechtenstein - Dormant estates
On May 19, 2025, the SIF announced that the competent authorities of Switzerland and Liechtenstein had concluded a mutual agreement pursuant to Art. 25 para. 3 DTA CH-FL to avoid double taxation of income and assets belonging to dormant estates under Liechtenstein law.
Federal Council adopts dispatch on the new Federal Act on the International Automatic Exchange of Information on Salary Data
At its meeting on May 14, 2025, the Federal Council adopted the dispatch on the international automatic exchange of information on salary data.
Federal Council wants to amend the minimum taxation ordinance
At its meeting on April 30, 2025, the Federal Council opened the consultation on an amendment to the Minimum Tax Ordinance (MindStV). The Minimum Tax Ordinance is to be supplemented by the rules on the international reporting obligation (GloBE Information Return, GIR).
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".
