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Tax Treaty Case Law

Complementary to the Tax Treaties Database. This unique case law database provides direct access to worldwide court decisions and case summaries. It is a practical tool for resolving issues regarding the interpretation and application of tax treaties.

Tax Treaty Case Law

Prof. Wim F.G. Wijnen
Type of publication:

Online Collection


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Available on request
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Tax Treaty Case Law

Why subscribe?

This unique case law collection provides direct access to worldwide court decisions and more than 7,000 case summaries. The Tax Treaties Database is an integrated part of this collection. It is a practical tool for resolving issues regarding the interpretation and application of tax treaties.


Main Contents


  • Tax News Service – Latest developments in international tax including BEPS and MLI
  • Withholding rate Tables
  • Treaties
  • Models
  • EU Law
  • Administrative Documentation (US IRS)
  • Case Law (Tax Treaty Case Law)

Tools and Action Functionality


  • Compare entire treaty documents, individual treaty articles or two different language versions side by side
  • Export treaty article for multiple treaties to MS Word, Excel or PDF
  • Treaty Status Monitor - Find real-time information on the status of a treaty, protocol or related document
  • Compare similar tables for multiple countries, including MLI Country Monitor and Withholding Rates Tables 
Download the overview (PDF) of the contents of our available online collections


  • Global overview of international tax disputes with a clear description in English
  • Fits the needs of international tax advisers and lawyers, corporate tax experts, governmental and academic institutions and judges.
  • Descriptions of judicial systems: provides a per country overview of the organization and operation of the judiciary. Details of how disputes are resolved and courts operate in respect of tax proceedings. Description of the procedural rules on litigation and the possibilities for appeal against assessments. Currently available for selected countries.
  • Sections of country chapters affected by recent developments feature direct links to the relevant tax news
  • Standardized outlines enabling side-by-side comparison of documents
  • Easy-to-use (compare) tools which help you do your research more quickly and efficiently
  • Quick search facilities
  • Access for up to five users (additional users for a small fee)
  • Frequent Updates
  • Ability to export data from tables to Excel
  • Create and save unique personalized searches and documents under your Favourites
  • “See Also” feature to show the latest related development
  • Effective navigation between different sets of information wherever you go, no matter what device you are using
Australia, Austria, Belgium, Brazil, Canada, Cyprus, Czech Republic, Denmark, Finland, France, Germany, India, Indonesia, Ireland, Israel, Italy, Japan, Luxembourg, Malaysia, Mexico, Netherlands, New Zealand, Norway, Poland, Portugal, Russia, South Africa, Spain, Sweden, Switzerland, Thailand, United Kingdom, United States, Zimbabwe.


Tax Treaty Case Law

The Tax Treaty Case Law database is a compendium of judicial decisions on the interpretation and application of treaties for the avoidance of double taxation, drawn from national courts worldwide with full texts of the judgments as well as editorial summaries.

The IBFD acknowledges the assistance and support of the late Prof. Dr. K. Vogel in the development of this database.

General Editor

Prof. W.F.G. Wijnen




  • J.G.Rienstra, principal research associate IBFD
  • K.A.Lancaster, principal research associate IBFD
  • Internal authors and contributors
  • Dr.R.Betten, principal research associate IBFD
  • W.M.M.van den Brink-van Agtmaal, principal research associate IBFD
  • C. Cusack, senior research associate IBFD
  • A.H.J.M.van Dijck, principal research associate IBFD
  • Prof. Goede, director research and development IBFD
  • L.J.Kesti, principal research associate IBFD
  • L.F.Kosters, principal research associate IBFD
  • S.Kotanidis, research associate IBFD
  • W.J.Oepen, research associate IBFD
  • Dr.R.H.M.J.Offermanns, senior research associate IBFD
  • A. Rowland, research associate IBFD
  • R.Russo, research associate IBFD


We gratefully acknowledge the advice and counsel of the following experts who have given their valuable support in setting up this database:

  • Dr.J.F.Avery Jones, CBE
  • Prof.G.Maisto
  • Prof. M.T.Soler Roch

External authors and contributors

  • Dr.T.Amonn, Attorney, v.Fischer and Gukelberger, Bern
  • B.Cleave, CBQC, Barrister, Gray's Inn Tax Chambers, London, WC1
  • M. Van Dam, MSc, LLB,Tax Litigation and Advisory Services, Dpt of Justice Canada
  • J.Hattingh, PricewaterhouseCoopers - Cape Town, SA
  • D.Hohenwarter, Wirtschaftsuniversitdt Wien
  • Prof.K.J.Holmes, Evtvvs Lorand University, Budapest
  • Dr. R. Jeffery, Amsterdam
  • Dr.H.Krabbe, former head of section in the Federal Ministry of Finance, Bonn
  • Prof.Dr.M.Lang, Wirtschaftsuniversitdt Wien
  • Th.Leegaard, LL.M(LSE), Advocat, KPMG, Norway
  • Prof.Dr.M.Lehner, Ludwig-Maximilians-Universitdt München
  • Dr.A.Liesenfeld, LL.M, former researcher at Ludwig-Maximilians-Universitdt München
  • F.Mortier, Belgium
  • Dr.E.Reimer, Ludwig-Maximilians-Universitdt München
  • J.Rogers- Glabush, tax lawyer, Canada
  • Dr.A.Rust, researcher at Ludwig-Maximilians-Universitdt München
  • M.Schrvder, Luxembourg
  • B.Sigurdardottir, Luxembourg
  • Andrew Smith, BCA(Hons), MCA, ACA, Victoria University, Wellington
  • Sousa da Camara, Morais Leitdo, J.Galvdo Teles & Associados, Lisboa
  • F.Thanner, LL.M (Eur), researcher Katholische Universitdt Eichstatt-Ingolstadt, Germany
  • Prof. B. Westberg, Jonkoping International Business School, Sweden
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