Joint and several liability between spouses in tax law "So examine him who is eternally bound..."
"I'm living in separation and my ex-partner refuses to carry outstanding tax bills from our marriage. "Can the IRS require me to carry those bills on my own?" These and similar questions are common in tax consulting. The answer is "It depends." This article answers the relevant questions and analyses the differences in cantonal and municipal taxes.
Taxation of compensation payments from share certificates
This paper focuses on the income tax treatment of income from investments in classical index and basket certificates from equities. The focus is on the view of the investor resident in Switzerland who holds the products as part of her private assets.
Taxation of spouses in international relations
An "international" spouse relationship from a tax law perspective exists if only one spouse is subject to unlimited tax liability in Switzerland, while the other spouse has no or only limited tax liability in Switzerland. It must also be a legally and factually unseparated marriage. The taxation of such "international" spousal relationships is opposed by the addition of factors as prescribed by law. However, according to the established case law of the Federal Supreme Court, the latter - unlike in intercantonal relations - cannot create any tax liability in Switzerland.
The unsuccessful move from Binningen to Wollerau - The location of the parking spaces for a Maserati and a Ferrari must be taken into account when determining tax residence
In its ruling of 19 September 2019 (2C_170/2019), the Federal Supreme Court had to judge an unsuccessful move from Binningen to Wollerau. It confirmed the ruling of 14 November 2018 of the Basel-Landschaft Cantonal Court (810 18 59).
Councils decide on higher tax deduction for children in external care
On 16 September 2021, the Council of States approved the bill. In future, parents will be able to deduct up to CHF 25,000 from direct federal tax for childcare costs.
Consultation agreement between Switzerland and Germany
SIF announced on 07 September 2021 that the consultation agreement of 11 June 2020 between Switzerland and Germany concerning the taxation of cross-border workers during the COVID-19 pandemic will not be terminated until at least 31 December 2021.
Federal Council supports abolition of imputed rental value
The Federal Council proposes that Parliament accept the bill of the Committee for Economic Affairs and Taxation of the Council of States (WAK-S), which proposes a change in the system of residential property taxation. At the same time, it proposes amendments to key parameters.
WAK of the National Council narrowly approves parliamentary initiative 21.424 "Deduct maintenance contributions also for over 18-year-olds
In its press release of 18 August 2021, the WAK of the National Council informed about the narrow approval of the parliamentary initiative 21.424 "Deduct maintenance contributions also for over 18-year-olds".
Application of the most-favoured-nation clause according to the protocol of the double taxation agreement between Switzerland and India
In its communication of 13 August 2021, the State Secretariat for International Financial Matters (SIF) provides information on the changes to dividend taxation due to the application of the most-favoured-nation clause in the DTA CH-IN.
FTA publishes circular concerning professional expense allowances and remuneration in kind 2022
On 13 August 2021, the Federal Tax Administration (FTA) published the circular "Professional expenses lump sums and remuneration in kind 2022 / Compensation for the consequences of the cold progression in direct federal tax for the tax year 2022".
Taxation of board of directors and foundation board fees
Case studies and detailed solutions from Laetitia Fracheboud and Olivier Margraf. This workshop was part of the ISIS seminar "Pensions and Insurance" on September 22 and 23, 2025.
Capital withdrawals from pension plans (incl. partial withdrawals)
Case studies and detailed solutions from Stefan Oesterhelt and Sirgit Meier. The workshop was part of the ISIS seminar "Pensions and Insurance" on September 22 + 23, 2025.
Tax law challenges for partnerships (2025)
Workshop by Susanne Schreiber and Toni Hess on the occasion of the ISIS) seminar on June 02 + 03, 2025 with the title "Tax law challenges of partnerships"
ISIS) seminar folder "The world of work on the move: tax and social security challenges (2025)"
All documents from the ISIS) seminar "The world of work on the move: tax and social security challenges" held on May 22, 2025 under the direction of Petra Caminada in one PDF document. Case studies, detailed solution notes and slides: Here you will find all documents from the individual workshops according to the following content description.
