Researchers from the Department of Tax Law were lead authors of a report on corporate taxation and digitalization for the World Economic Forum.

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

The European Commission has started an investigation into possible illegal state aid from the Netherlands to Nike. It is high time that agreements between Tax Authorities and multinationals are made public, says Associate Professor in Tax Law Jan Vleggeert.

Jan Vleggeert is a tax specialist with an independent and critical voice in the debate on tax avoidance by multinationals. His appointment commenced on 1 October 2019.

Just published: European Banking and Financial Law Statutes Published by Routledge

Professor Sjoerd Douma has been named the top lecturer on Coursera, the best-known platform for online courses. Students gave him an average score of 9.8 - almost unheard of for a lecturer in International Tax Law.

Hart Publishing in Oxford has published the first book in a series entitled ‘Restatement of Labour Law in Europe’. This particular book deals with the question of which employees are protected by labour law (‘The concept of employee’).

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

In August 2018, the fourth edition of the teaching and learning materials

Professor Christa Tobler and Jacques Beglinger have written two new publications.

Under #TheCode European media report about Martijn Nouwens’s research on the secretive EU Code of Conduct Group which is tasked with tackling harmful tax competition in Europe. The stories expose to the wider public for the first time how this diplomatic high-level working group of EU Member States…

One of the EU's most heralded weapons against tax avoidance and evasion falls prey to political whims, is applied arbitrarily, and lacks transparency, according to tax observers and lawmakers.

Published by Brill Nijhoff and written by leading experts including national judges, academics and practitioners East African Community Law is the first comparative as well as open access textbook on EAC law. The book provides a key resource for the research, teaching, and practice of EAC law. It also…

No, the Netherlands is not a tax haven, the new State Secretary for Tax Affairs Marnix van Rij said shortly after his introductory meeting with Dutch Prime Minister Rutte. Yet there are numerous reports that describe the Netherlands' role as a tax haven.

If we want tax evasion to become a thing of the past then there has to be more balance in how tax advisers are educated, according to tax professors Jan Vleggeert and Jan van de Streek.

The majority of professors of tax law in the Netherlands have links to accounting and law firms, writes Dutch newspaper De Volkskrant.

On 12 and 13 September 2019, the Institute of Tax Law and Economics from Leiden University hosted 29 PhD researchers from around the world to engage into collective discussions at the Multilateral Cooperation in International Tax Law seminar.

Maarten Aalbers was invited as a guest speaker by the University of Bergen (Norway) to present his views on the joint application of state aid law and free movement law concerning the adoption of sugar taxes.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

European labour law has an unmistakable influence on national law. This applies even more to the case-law of the Court of Justice of the European Union (CJEU), as it has implications for the application of European law in the Member States and with it the interpretation of national law. Collected Cases…

Jan van de Streek is a tax scholar who conducts research into the taxation of multinationals. His appointment will commence on 1 January 2021.

The increase in the European Union's executive powers in the areas of economic and financial governance has thrown into sharp relief the challenges of EU law in constituting, framing, and constraining the decision-making processes and political choices that have hitherto supported European integration.…

The Netherlands remains one of the most important locations when it comes to tax evasion. According to Tax Justice Network only the British Virgin Islands, the Cayman Islands and Bermuda play a greater role.

Are you thinking about studying European and International Business Law? Learn more and watch the videos.

Are you thinking about studying European and International Human Rights Law? Learn more and watch the videos.

More than 130 countries, including the Netherlands, have decided to introduce a minimum corporate tax rate of 15 percent. The plan would lead to 125 billion euro in extra tax revenue globally.

The Faculty of Law

The Faculty of Law has five institutes:

On Friday 17 November 2017, H.E. Dr. María Fernanda Espinosa, Minister of Foreign Affairs and Human Mobility of the Republic of Ecuador gave a lecture on Fairness in Global Taxation at the Grotius Centre for International Legal Studies at Leiden University, Campus The Hague.

In the last week of January, Prof. Rex Arendsen and PhD candidate Maarten Manse of the Department of Tax Law at Leiden Law School, taught an ‘Intensive Course on Tax Law' at the Gadjah Mada University (UGM) in Yogyakarta. This week of lectures illustrates the fruitful cooperation between both univer…

Before he became Minister of Finance, CDA leader Wopke Hoekstra invested for years in a shell company in the Virgin Islands. This has been revealed in leaked documents known as the Pandora Papers. How exactly does tax avoidance work? And are there other options? Tax lawyers Jan Vleggeert and Tanja…

A decade-long court case between US bank Morgan Stanley and the Dutch tax authorities has been settled, ‘Follow the Money’ has discovered. Jan van de Streek, Professor of Tax Law, spoke to the news medium: ‘I'm surprised Morgan Stanley paid everything.’

How should European financial law best integrate considering the interaction of the relevant legal systems?

Minister Silvania of Curaçao has announced that Germaine Rekwest, who was awarded a PhD from Leiden University in September, will support him on treaty policy for Curaçao. The minister announced this in his travel report.