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The CPT project of the Amsterdam Centre for Tax Law (ACTL) of the University of Amsterdam (UvA) together with the Group for Research on European and International Taxation (GREIT) are excited to announce their joint two-day conference about “The Implications of Online Platforms and Technology on Taxation and Taxpayers’ Rights" (on 7 and 8 April 2022).
Event details of The Implications of Online Platforms and Technology on Taxation and Taxpayers’ Rights
Start date
7 April 2022
End date
8 April 2022

Thirty eight (38) speakers and moderators will be divided in 7 panels addressing the following topics:

  • (i) Implications of platforms and technology on taxation and taxpayers’ rights;
  • (ii) Reporting and due-diligence obligations imposed on online platforms in relation to sellers in the sharing and gig economy;
  • (iii) Online platforms and vat reporting;
  • (iv) Workforce in the digital era: the legal status of digital workers and its personal and business income tax implications;
  • (v) The implications of distributed ledger technologies (including blockchain) on tax systems;
  • (vi) Virtual currencies, crypto-assets, NFTs and other implications of de-fi for tax systems;
  •  (vii) Explainable AI in tax law.


The first day of the conference will be focused on the issues related to tax reporting by online platforms and on the taxation of platforms’ sellers/workers.

The second day of the conference will be devoted to discussing the implications of technology on taxation, with a focus on explainable AI, blockchain and cryptoassets. On both days, consideration will be given to the impact of the aforementioned issues on taxpayers’ rights. 

The CPT-GREIT conference will offer attendees the opportunity to engage in a dialogue with specialists in taxation and other fields, in particular technology pundits, as well as digital business experts and officials from national and international/EU organizations.

Speakers / Moderators

  • Prof.Dr. Dennis Weber
  • Prof. Dr. Cecile Brokelind
  • Raffaele Russo
  • Prof. Dr. Sjoerd Douma
  • David Hadwick
  • Prof. Dr. Pasquale Pistone
  • Jasper van Schijndel
  • Dr. Nevia Cˇ icˇin-Šain
  • Juan Manuel Vázquez
  • Willem-Jan Van Veen
  • Sven Kuipers
  • Francesca Vitale
  • Roland Rietberg
  • Alexander Hent
  • Prof. dr. Mariken van Hilten
  • Dr. Giorgio Beretta
  • Prof. Joachim Englisch
  • Prof. Marie Lamensch
  • Prof. Marta Papis-Almansa
  • Prof. Dr. Ana Paula Dourado
  • Dr. Nuria Ramos Martín
  • Dr. Svitlana Buriak
  • Prof. Dr. Daniel Smit
  • Dr. Svetislav V. Kostic
  • Shu-Chien Chen
  • Prof. Annabelle Gawer
  • Dr. Dennis Post
  • Dr. Claudio Cipollini
  • Sascha Jafari
  • Marlies de Ruiter
  • Philip Kerfs
  • Dr. Luisa Scarcella
  • Dr. Błazej Kuzniacki
  • Prof. Evangelos Kanoulas
  • Dieter Brughmans
  • Marco Almada
  • Prof. Anthony Niblett
  • Prof Dr. Peter Fettke


This will be an “in-person” event and it will be hosted at CREA Theater & Music on the campus of the UvA in the Netherlands.

Registration and Fee

The entrance fee is 200 euro for two days for non-students. For students it is free (registration mandatory); but paying participants have priority when there are not enough seats due to capacity limitations. Lunch is not included.

Please register by completing and sending the application form to

More information

See the CPT project website


  • Prof. dr. Dennis Weber, Director of the ACTL and CPT project, e-mail: