Corporate tax law 2025
Content
Keeping up to date with the latest developments in tax legislation and practice is a major challenge. The aim of this annual seminar is to provide participants with a sound and up-to-date overview of the latest developments in corporate tax law in legislation, administrative practice and case law.
The workshops on offer provide participants with the opportunity to learn about the most important innovations in a compact and focused manner over two seminar days and to deepen their knowledge using practical case studies. In each workshop, both the perspective of the tax authorities and that of the taxpayer will be examined by a representative from the field. Participants can therefore benefit from the speakers' extensive practical experience in day-to-day tax practice as well as their insight into the latest developments in case law and legislation.
The seminar uses selected case studies to discuss tax law problems for companies and their stakeholders. Both the special tax challenges for partnerships and the tax stumbling blocks for partnerships will be explored in greater depth in workshops. Of course, the topic of corporate restructuring will also be covered, with a separate workshop dedicated to it. And, as always, updates on withholding tax and stamp duties as well as in-depth explanations of specific tax issues for SMEs will be discussed, along with current developments in the area of intercantonal and international corporate tax law.
The offer comprises seven workshops, six of which can be attended, i.e. in addition to five "fixed" workshops, participants can spontaneously choose whether they would like to attend the "VAT update" or "Transfer pricing documentation" workshop. Regardless of their choice, participants will receive detailed documentation and solution notes for all workshops.
As always, there will be another guest lecture on the program; this time we will be looking at tax law from a philosophical perspective.
Main topics
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Useful tips
Members of ISIS, employees of courts and administrations as well as persons under 35 years of age or in training receive a discount on the regular seminar price (for details see section 6 of the GTC).
Documentation, standing lunch and dinner (day 1), standing lunch (day 2), break refreshments, 2x aperitifs
Participation in the two-day ISIS) seminar is confirmed with 16 lessons of professional development.
Special price for hotel rooms when booking directly with the hotel (limited availability).
Why ISIS Seminars?
- Top speakers
- Exclusive venues
- Personal networking
- High quality documents
- Detailed solution instructions
Compact seminars
You want to build a solid foundation: Compact seminars
In the compact seminars, you will acquire the basic knowledge of Swiss and international tax law in individual topic-related modules. These basics are supplemented by the latest developments in tax law.
The compact seminars are usually one-day events at a central location, but they can also be attended as an online event via streaming.
For preparation and for reference after the seminar, you will receive documents with case studies and detailed solution instructions. The seminar will focus on discussing the case studies.
Integration seminars
You want to think outside the box: Integration seminars
On the one hand, the integration seminars provide you with the basics from cross-tax knowledge areas, for example basic legal and business management knowledge. On the other hand, you can deal in depth with the tax issues arising in this context on the basis of practical case studies.
The integration seminars are usually one-day events with introductory speeches as well as presentations on the respective cross-tax topics. The tax-specific issues are dealt with by discussing case studies.
In-depth seminars
You want to get to the bottom of tax law: In-depth seminars
The in-depth seminars provide an intensive examination of complex tax issues. The in-depth seminars are mainly or exclusively designed as workshops. After a brief introduction to the topic, practical examples are presented with the aim of stimulating in-depth discussions.
In order to leave enough time for the exchange of ideas
also outside the workshops, the in-depth seminars are partly two-day events, where special emphasis is also placed on the ambience.
The in-depth seminars are aimed at experienced tax professionals and those who want to become one.
Working Skills Seminars
You want to develop your secondary virtues: Working Skills Seminars
Within the framework of the working skills seminars, you can train your non-tax-specific skills that are important for success in tax practice. For example, working techniques, creativity or communication skills.
These seminars are held only sporadically.
Update Seminars
You want to be "à jour": Update seminars
In the update seminars, we take changes in tax legislation as well as in related areas of law and changes in tax practice by tax authorities as an opportunity to take a close look at the effects on tax practice. In doing so, the basics are also presented, as far as this makes sense.
Update seminars also include the 90-minute webinars, which are held exclusively online during lunchtime. They focus primarily on current developments.
Seminars Romandie
The ISIS in French-speaking Switzerland
ISIS is also present in French-speaking Switzerland and offers seminars in French. As a rule, these are in-depth seminars. The topic is always selected in the light of current developments.
Tax Trips
You want to expand your horizons: Tax Trips
The Tax Trips take you abroad and offer the opportunity to combine the useful with the pleasant. You travel to other countries and get to know not only their tax peculiarities, but also their cultural and culinary specialties. The training events are carried out in close cooperation with local institutions as well as tax experts practicing on site.
Tax Trips take place only sporadically.
