Tax rulings - Swiss success model at risk?
Tax rulings are omnipresent in Swiss tax consulting. With the StAhiV, they have been incorporated into Swiss legislation for the first time as of 1 January 2017 and are referred to there as "preliminary tax assessments", about which other states must be informed in certain situations. Recently, the courts have also been increasingly concerned with questions relating to tax rulings.
Development of case law on the interpretation of the DTA Germany - Switzerland in 2014
The following contribution presents the 2014 case law of the German and Swiss tax courts regarding the application and interpretation of the Convention between the Federal Republic of Germany and the Swiss Confederation for the Avoidance of Double Taxation in the Field of Taxes on Income and Capital of 11 August 1971 (hereinafter referred to as the DTA). This contribution is a continuation of the overviews published in previous years on the development of case law on the interpretation of the DBA Germany/Switzerland.
Home Office - Tax treatment in the cross-border area
Today, many tasks can be done from anywhere. The traditional workplace in the office has had its day. A telecommuting job at home brings advantages for both sides: The employer saves the costs of renting the room, the employee saves the way to the office. The following article examines the question of whether working from home can give rise to a tax permanent establishment in cross-border international situations. For the purposes of this paper, "home office" means a room or rooms which are located in the employee's home and which are used, at least in part, not only for residential purposes but also for work purposes.
Development of case law on the interpretation of the DTA Germany/Switzerland in 2013
The following contribution presents the case law of the German tax courts from 2013 with regard to the application and interpretation of the Convention between the Federal Republic of Germany and the Swiss Confederation for the Avoidance of Double Taxation in the Field of Taxes on Income and Capital of 11 August 1971 (hereinafter referred to as the DTA). This contribution is a continuation of the overviews published in previous years on the development of case law on the interpretation of the DBA Germany/Switzerland.
FTA publishes FATCA final rulings
On 29 January 2021, the Federal Tax Administration (FTA) notified the issuance of final rulings pursuant to Art. 5 para. 3 lit. b FATCA Agreement.
Technical information "Withholding tax according to DTA" has been updated
The following documents have been updated:
FTA updates the publication "Tax burden in international comparison
The publication summarises the tax rates and tax ratios in various OECD countries. Among other things, it compares corporate tax rates, capital tax rates for companies, withholding tax rates, emissions and turnover taxes, VAT rates and the treatment of losses in 2020. In particular, the publication also contains various statements on the ratio of direct to indirect taxes.
FTA updates guidance on the standard for AEOI in tax matters
The FTA has updated the guidance on the standard for the automatic exchange of information (AEOI) in tax matters.
New cross-border commuter agreement between Switzerland and Italy of 23 December 2020
On 23 December 2020, Switzerland and Italy signed a new agreement on cross-border commuters, which replaces the current agreement of 1974 and now applies reciprocally.
Canton of Zurich: Tax segregation of companies with foreign permanent establishments
Section 57 para. 3 StG ZH was adapted to the corresponding provision in the law on direct federal tax with effect from 01 January 2021.
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".










