itc leiden gracht

Rapenburg 65, 2311 GJ Leiden

bart.bosman@itc-leiden.nl

International Tax Center Leiden

Leiden Event 2026 – Milestone Conference ITC Leiden

Celebrating 50 Years of Teaching Excellence

Program of Events

Day 1: Friday 28 August 2026 – Tax Treaty Case Law

08:00 – 08:50
Registration and Welcome Coffee
09:00 – 09:15
Opening Remarks Kees van Raad
09:15 – 10:15
Session 1: Key Themes in Tax Treaty Case Law from the Past Decade & Reflections on the Future of Tax Treaty Interpretation: An Interactive Discussion Lokhorst Church Moderator: Johann Hattingh
  • Michael Kandev – Two Recent Canadian Beneficial Ownership Cases
  • Anna Burchner – Burlington Loan Management (UK Court of Appeal) and the Principal Purpose Test (PPT)
  • Yimin Kou – Tax Treaty Aspects of Indirect Equity Transfers in China
  • Stefano Grilli – Italian Supreme Court Jurisprudence About the Fixed-Base Concept
10:15 – 10:45
Coffee Break
10:45 – 11:45
Session 2: Key Themes in Tax Treaty Case Law from the Past Decade & Reflections on the Future of Tax Treaty Interpretation: An Interactive Discussion Lokhorst Church Moderator: Johann Hattingh
  • Wolfgang Oepen – New Taxes, Belgian Jurisprudence and Article 2 (Taxes Covered)
  • Carolina Landim – Brazilian Supreme Court Jurisprudence about Article 7 (Business Profits) and Controlled Foreign Company (CFC) Regimes
  • Rita Szudoczky – CJEU Abuse-of-law Case Law concerning the Parent-Subsidiary Directive
  • Robert Danon – The Influence of Non-treaty Sources and Domestic Law on Treaty Interpretation
11:45 – 12:00
Closing Remarks Kees van Raad
12:00 – 12:40
Lunch Break Lokhorst Church
12:55 – 16:00
Symposium Cleveringa Hall, Law Faculty Building (Steenschuur) Presentations by Malcolm Gammie, Wei Cui, John Avery Jones, and Johann Hattingh Includes the Liber presentation
17:00 – 20:30
Reception & Walking Dinner Zoeterwoude Country House (Noord Aa 3a)

Day 2: Saturday 29 August – Recent Developments, ITC Leiden Future, Artificial Intelligence

09:30 – 10:00
Session 3: PE Developments – A Policy Perspective Lokhorst Church Presenter: Kees van Raad
  • The concept of PE – its past and future
  • The main types of PE in the current OECD & UN Models
  • Early court decisions on home office PE
  • Home office PE in OECD 2012 revised Public Discussion draft on Art. 5
  • OECD 2025 Update on cross-border working from "home or other relevant place"
10:00 – 10:30
Session 4: Roundtable Discussion – The Future of ITC Alum Community Lokhorst Church Moderator: Renata Fontana
  • Interactive discussion on how to strengthen the ITC alum community in the years ahead
  • Alum engagement across regions, communication channels, future events and funding
10:30 – 11:00
Coffee Break Lokhorst Church
11:00 – 12:15
Session 5: Artificial Intelligence and Taxation (75 mins) Lokhorst Church Moderator: Roustam Vakhitov (Co-Founder, Academy of BEPS)
Panel Members:
  • Ichwan Sukardi – RSM Indonesia Managing Partner and Head of Tax
  • Raffaele Russo – Chiomenti Partner, Tax
  • Erki Uustalu – Bolt Global Head of Tax
  • Silvia Kotanidis – European Parliament / European Parliamentary Research Service Policy Analyst, Citizens’ Policies
  • Ramazan Biçer – LEVEL International Partner, International Tax and Transfer Pricing
  • Overview of how artificial intelligence is transforming tax advisory and compliance activities in law firms, audit and accounting firms, tax administrations, inhouse tax teams and academia
  • Discussion on innovative uses of AI, including the creation of content and analytical tools for tax professionals
  • Panel discussion on practical and policy implications of AI in the tax field as well as emerging tax implications of the use of AI
  • Q&A
12:15 – 12:30
Closing Remarks Kees van Raad Lokhorst Church
12:30 – 13:30
Lunch Break Lokhorst Church
14:00 – 17:30
Outing Choice Rowing trip (Countryside) / Guided boat trip / Wassenaar Art Museum
18:30 – 22:30
Dinner Grand Café De Burcht (Burgsteeg 14) See accompanying letter for location details

Leiden Event Response Form

Your registration for the Leiden Event has already been received and confirmed.

Please use this form to confirm your attendance preferences, partner participation, outing choice, roster details, and payment awareness.

Please submit your response by Monday 20 July 2026.

Already submitted your response? Retrieve and update your saved choices.
1. Profile
2. Friday
3. Saturday
4. Registry

1. Personal Profile

Please provide your contact details and study year to identify your entry in the registry.

2. Friday Event Attendance

Indicate your participation in the sessions scheduled for Friday 28 August 2026.

3. Saturday Outing & Dinner

Select your preferences for Saturday activities and the evening dinner.

Select only one option.

4. Registry & Roster Updates

Confirm roster updates to connect easily with fellow alumni.

Used only to plan catering for the weekend; see our Privacy Statement.

Payment Reminder

By now we are able to compute the per person amount for participating in the 2026 Leiden Event. The amount covers the cost of the two lunches (and refreshments at the breaks), two dinners (including drinks), transportation on Friday (country house) and Saturday (countryside rowing / Wassenaar). The amount per person is € 330, reduced by the € 50 registration fee is € 280 (if you come with a partner the €50 registration fee should be deducted only once). Please make your payment ASAP but not later than 15 August. If you pay before 24 July, you are entitled to an early bird discount of € 30 and pay € 250 per person. The amounts mentioned are due also if, unfortunately, you will not be able to participate in all events.

The Leiden Event fee is €280 per person, or €250 per person if payment is received before 24 July 2026.

Final payment deadline: 15 August 2026.

If two persons were registered, the €50 registration fee is deducted only once.

Payment can be made by credit card via the ITC Leiden payments page or by bank transfer.

Payments to ITC Leiden →
✓

Response Submitted

Your preferences have been received for planning purposes.

Submission Details

Complete Your Payment

By now we are able to compute the per person amount for participating in the 2026 Leiden Event. The amount covers the cost of the two lunches (and refreshments at the breaks), two dinners (including drinks), transportation on Friday (country house) and Saturday (countryside rowing / Wassenaar). The amount per person is € 330, reduced by the € 50 registration fee is € 280 (if you come with a partner the €50 registration fee should be deducted only once). Please make your payment ASAP but not later than 15 August. If you pay before 24 July, you are entitled to an early bird discount of € 30 and pay € 250 per person. The amounts mentioned are due also if, unfortunately, you will not be able to participate in all events.

The Leiden Event fee is €280 per person, or €250 per person if payment is received before 24 July 2026.

Final payment deadline: 15 August 2026.

If two persons were registered, the €50 registration fee is deducted only once.

Payment can be made by credit card via the ITC Leiden payments page or by bank transfer.

Go to Payments Page →