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Publikationen und Vorträge

Dr. Rita Szudoczky

I. Monographien / Authored books 

  1. The Sources of EU Law and their Relationships: Lessons for the Field of Taxation, Doctoral series, IBFD, 2014.

  2. Takeover Regulation and Protection of Minority Shareholders, A Comparison between the European and US approach, Lambert, 2009

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II. Herausgeberschaften / Editorships

  1. CJEU - Recent Developments in Value Added Tax 2023, (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), Linde 2024. 

  2. Crypto Assets: Tax Law and Policy (ed. with G. Kofler, M. Lang, J. Owens, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2024.

  3. Mobility of Work (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2024.

  4. Anti-Abuse Rules and Tax Treaties (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), Wolters Kluwer 2024.

  5. CJEU - Recent Developments in Direct Taxation 2023 (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), Linde 2024.

  6. Tax Treaty Case Law around the Globe 2023 (ed. with G. Kofler, M. Lang, J. Owens, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer, P. Essers, E. Kemmeren, C. Öner, D. Smit), IBFD/Linde 2024.

  7. Crypto Assets: Tax Law and Policy (ed. with G. Kofler, M. Lang, J. Owens, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2024.

  8. CJEU - Recent Developments in Direct Taxation 2022 (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), Linde 2024.

  9. CJEU - Recent Developments in Value Added Tax 2022 (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer, I. Kuniga), Linde 2024.

  10. Anti-Abuse-Rules and Tax Treaties (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2024. 

  11. Mandatory Disclosure Rules (ed. with G. Kofler, M. Lang, J. Owens, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2023.

  12. Priority Rules In Tax Treaties – The Relation Between the Different Distributive Rules in the OECD and the UN Model Convention (ed. with G. Kofler, M. Lang, P. Pistone, A. Rust, J. Schuch, K. Spies, C. Staringer), IBFD 2023.

  13. ECJ Direct Tax Compass (ed. with F. Vanistendael, R. Resch, J. Petkevica), IBFD 2008.

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III. Beiträge in Sammelbänden / Chapters in Books

  1. Balancing Between Effective State Aid Enforcement and the Fiscal Autonomy of the Member States – A proposal to Introduce a Subjective Element in the State Aid Analysis of Tax Measures, in Luja (ed), National Tax Autonomy and the European Union, IBFD, forthcoming.

  2. Differences Between the OECD’s GloBE Model Rules and the EU’s GloBE Directive (with Valentin Bendlinger), in Grilli/Weber (eds), Annotations on the OECD Global Anti-Base Erosion Model Rules (Pillar 2), Wolters Kluwer, forthcoming.

  3. The Interpretation of Tax Treaty Terms in its Context (with Iris Tschatsch), in Kofler/ Lang/Pistone/Rust/Schuch/Spies/Staringer/Szudoczky (eds), Tax Treaty Interpretation in Light of the Vienna Convention on The Law of Treaties (VCLT), Wolters Kluwer, forthcoming.

  4. Subject-to-tax Rules in Tax Treaties (with Belisa Ferreira Liotti), in Haslehner/Pantazatou/Kofler/Rust (eds), Withholding taxes in International and European Tax Law, forthcoming.

  5. Hungary: Server PE - A Legal or an IT Question? (with Balázs Károlyi), in Kofler/Lang/ Rust/Owens/Pistone/Schuch/Spies/Staringer/Szudoczky/Essers/Kemmeren/Öner/ Smit (eds), Tax Treaty Case Law Around the Globe 2023, 2024, 255.

  6. Third-Country Permanent Establishments (Art 29 par 8 OECD MC) (with Kristof Boel), in Kofler/Lang/Pistone/Rust/Schuch/Spies/Staringer/Szudoczky (eds), Anti-Abuse Rules and Tax Treaties, 2024, 177.

  7. Harmful Tax Competition and Special Tax Regimes and Tax Treaties (with Ruth Maina) in Kofler/Lang/Pistone/Rust/Schuch/Spies/Staringer/Szudoczky (eds), Anti-Abuse Rules and Tax Treaties, 2024, 223

  8. Ten Years into the BEPS Project: A Snapshot of Legitimacy and Justice in International Tax Lawmaking, In De Pietro/Peters/Kemmeren (eds), A Journey Through European and International Taxation - Liber Amicorum in Honour of Peter Essers, 2024, 91.

  9. Hungary: CJEU 16 November 2023, C-318/22, GE Infrastructure (with Bence Péter Komár), in Kofler/Lang/Pistone/Rust/Schuch/Spies/Staringer/Szudoczky (eds), CJEU – Recent Developments in Direct Taxation 2023, 155.

  10. The Future of Fiscal State Aid, in Piernas-Lopez/Hancher/Rubini (eds), The Future of EU State Aid Law and Policy: Consolidation and Expansion, 2023, 273.

  11. A European Tax Law Agenda in Direct Taxation, in Parada (ed), A Research Agenda for Tax Law, 2022, 163.

  12. Constitutional Foundations: EU Tax Competences; Treaty Basis for Tax Integration; Sources and Enactment of EU Tax Law (with Dennis Weber), in Douma/Marres/Vermeulen/Weber (eds), Terra/Wattel European Tax Law, Volume 1: General Topics and Direct Taxation, Eighth Edition, 2022, 9.

  13. Coordination of Tax Laws and Tax Policies in the EU (with Pasquale Pistone), in Kofler/Lang/Pistone/Rust/Schuch/Spies/Staringer (eds), Introduction to European Tax Law on Direct Taxation, Seventh Edition, 2022, 39.

  14. Hungary: MARCAS MC (Case C-363/20) (with Balázs Károlyi), in Kofler/Lang/Pistone/Rust/Schuch/Spies/Staringer/Storck (eds), CJEU - Recent Developments in Direct Taxation 2021, 2022, 33.

  15. The New Meaning of ‘Always Somewhere’ under Pillar Two, in Marres/Weber (eds), Rara avis, Liber Amicorum Peter J. Wattel,  2022, 165.

  16. Unveiling the MLI: An Analysis of Its Nature, Relationship to Covered Tax Agreements and Interpretation in Light of the Obligations of Its Parties (with D. Blum), in A.P. Dourado (ed), International and EU Multilateralism: Challenges Raised by the MLI, IBFD, 2020, 125-160.

  17. Coordination of Tax Laws and Tax Policies in the EU (with P. Pistone), in Lang/Pistone/Schuch/Staringer/Rust/Kofler/Spies (eds), Introduction to European Tax Law on Direct Taxation (6th Edition), Linde, 2020, 37-62.

  18. The Relationship between Primary, Secondary and National Law, in Panayi/Traversa/Haslehner (eds), Research Handbook on European Union Taxation Law, 2020, 93-115.

  19. Hungary: The application of the arm’s length principle regarding the transfer pricing of intra-group loan agreements (with B. Károlyi), in Lang et al. (eds), Tax Treaty Case Law Around the Globe 2019, Linde, 2020, 171-183.

  20. Hungary: Registration requirement for advertisement tax purposes through the prism of tax treaty non-discrimination provision (with B. Károlyi), in Lang et al. (eds), Tax Treaty Case Law Around the Globe 2019, Linde, 2020, 389-408.

  21. Hungary: Tesco (Case C-323/18, Vodafone (Case C-75/18, Google Ireland Limited (Case C-482/18) (with B. Károlyi), in Lang/Pistone/Rust/Schuch/Staringer/Storck (eds), CJEU Recent Developments in Direct Taxation 2019, Linde, 2020, 17-49.

  22. Hungary: Progressive Turnover Taxes in the Light of the EU Fundamental Freedoms and State Aid Rules, in Lang/Pistone/Rust/Schuch/Staringer/Storck (eds), CJEU Recent Developments in Direct Taxation 2018, Linde, 2019, 101-120.

  23. Limitation on Benefits Clauses: Limiting the Entitlement to Treaty Benefits (with L. Ramharter), in Lang/Rust/Schuch/Staringer (eds), Tax Treaty Entitlement, IBFD, 2019, 55-89.

  24. Transfer Pricing and EU State Aid (with A. Miladinovic), in Lang/Cottani/Petruzzi/Storck (eds.), Fundamentals of Transfer Pricing: A Practical Guide, Wolters Kluwer, 2019, 505-542.

  25. Constitutional Foundations: EU Tax Competences; Treaty Basis for Tax Integration; Sources and Enactment of EU Tax Law (with D. Weber), in Wattel/Marres/Vermeulen (eds), Terra/Wattel European Tax Law, Seventh Edition, General Topics and Direct Taxation, Wolters Kluwer, 2019, p. 11-38.

  26. Constitutional Foundations: EU Tax Competences; Treaty Basis for Tax Integration; Sources and Enactment of EU Tax Law (with D. Weber), in Wattel/Marres/Vermeulen (eds), Terra/Wattel European Tax Law (Seventh Abridged Student edition), Wolters Kluwer, 2019, p. 9-22.

  27. Coordination of Tax Laws and Tax Policies in the EU (with P. Pistone), in Lang/Schuch/Staringer/Pistone (eds), Introduction to European Tax Law on Direct Taxation (5th Edition), Linde, 2018, 35-60.

  28. Exit Tax, in Weber/van der Streek (eds), The EU Common Consolidated Corporate Tax Base, Critical Analysis, 2018, p. 111

  29. Double taxation relief, transfer pricing adjustments and State aid law: Comment, in I. Richelle/W. Schön/ E. Traversa (eds), State Aid Law and Business Taxation, Springer 2016.

  30. The Coordination of Tax Policies in the EU (with P. Pistone), in M. Lang et al (eds), Introduction to European Tax Law on Direct Taxation, Linde 2016.

  31. Limitation on Benefits: „Qualified Persons“ – Article X(1) and (2) of the OECD Model (with P. Koch), in M. Lang/P. Pistone/A. Rust/J. Schuch/ C. Staringer (eds), Base erosion and profit shifting: the proposals to revise the OECD Model Convention, Linde 2016.

  32. Hungary: Berlington Hungary (C-98/14), in M. Lang et al (eds), ECJ – Recent Developments in Direct Taxation 2015, Linde 2016.

  33. Hungary: Hervis (C-385/12), Berlington Hungary (C-98/14), Delphi Hungary (C-654/13), in Lang/Pistone/Rust/Schuch/Staringer/Storck (eds.), ECJ – Recent Developments in Direct Taxation 2014, Linde 2015.

  34. Selectivity, derogation, comparison – How to put together the pieces of the puzzle in the State aid review of national tax measures?, in: EU Income Tax Law: Issues For The Years Ahead (D. Weber ed., IBFD 2013), Chapter 8, pp. 163 - 196

  35. Is the CCCTB Proposal in line with the Principle of Subsidiarity?: Negative Opinions Submitted by National Parliaments in the ‘Yellow Card Procedure’”, in: CCCTB: Selected Issues, EUCOTAX Series (D. Weber ed., Kluwer Law International 2012), Chapter 7, pp. 93 - 126

  36. The influence of primary law on the interpretation of secondary law in the field of EU citizenship and direct taxation: "whatever works"...", in: Traditional and alternative routes to European tax integration (D. Weber ed., IBFD 2010), Chapter 10, pp. 191 - 227

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IV. Von Fachleuten überprüfte Artikel / Peer reviewed articles

  1. Principles Justifying the Reallocation of Taxing Rights to Market Jurisdictions: Do We Need Them?, Intertax 2023, pp. 822-839. 

  2. Case Law Trends: The CJEU’s Approach to the Objectives of Progressive Turnover-Based Taxes: Respect for the Member States’ Fiscal Sovereignty or Authorization for Circumventing EU Law?, Intertax 2023, pp. 82-93.

  3. The CJEU’s approach to the objectives of progressive turnover-based taxes: respect for the Member States’ fiscal sovereignty or authorization for circumventing EU law? (with Balázs Károlyi), 50 INTERTAX 1 (2022), pp. 82 – 93.

  4. Progressive Turnover Taxes under the Prism of the State Aid Rules (with B. Károlyi), 3 European State Aid Law Quarterly 19 (2020), pp. 251-270.

  5. The Troubled Story of the Hungarian Advertisement Tax: How (Not) to Design a Progressive Turnover Tax (with B. Károlyi), 1 INTERTAX 48 (2020), pp. 46-66.

  6. Designing cooperative compliance programs: Lesson from the EU State aid rules for tax administrations (with Alicija Majdanska), BTR 2017.

  7. Convergence of the Analysis of National Tax Measures under the EU State Aid Rules and the Fundamental Freedoms, European State Aid Law Quarterly, Vol. 15 (2016), Issue 3.

  8. 3 M Italia: Tax Amnesty Aimed at Concluding Tax Litigation Prolonged for an Unreasonable Time Does Not Constitute State Aid, 12 EStAL 1 (2013), pp. 159 - 169

  9. Revisiting the Dutch interest box under the EU State aid rules and the Code of Conduct: when a 'disparity' is selective and harmful (with J.L.Van de Streek), 38 INTERTAX 5 (2010), pp. 260 - 280

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V. Artikel / Articles 

  1. Preferential Personal Income Tax Regimes (PPITRs) in the European Union ¿A New Form of permitted (Harmful) Tax Competition? (with Camilo Rodríguez Peña), World Tax Journal 2024. 

  2. Principles Justifying the Reallocation of Taxing Rights to Market Jurisdictions: Do We Need Them? Intertax 2023, 822.

  3. Does the Implementation of Pillar Two Require Changes to Tax Treaties?, SWI 2023, pp. 144.

  4. Foreign Permanent Establishment Losses Under the Fundamental Freedoms: Does W AG Bring an End to a Rollercoaster Ride?, 51 Intertax 5 (2023), pp. 432.

  5. What has changed in the Limitation on Benefits clause of the 2016 US Model? – Technical modifications, policy considerations and comparisons with BEPS Action 6 (with Rita Julien, Petra Koch), Intertax, Vol. 45 (2017), Issue 1.

  6. How Does the European Court of Justice Treat Precedents in Its Case Law? Cartesio and Damseaux from a Different Perspective: Part I, 37 INTERTAX 6/7 (2009), pp. 346 - 362

  7. Report on the Vienna Conference on 'The EU and Third States: Direct Taxation, 47 European Taxation 2 (2007), pp. 93 - 98

  8. The compatibility of the Hungarian tax system with EC Law (with Levente Torma), 47 European Taxation 12 (2007), pp. 577 - 585

  9. The 2006 Leiden alumni forum on taxation of cross-border dividends in Europe and the relation with third countries: the cases pending before the European Court of Justice (with Roger Cadosch, Renata Fontana, Raffaele Russo), 34 INTERTAX 12 (2006), pp. 622 - 635

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VI. Kommentierungen / Annotations

  1. Comments to the Public Consultation “Proposal for a COUNCIL DIRECTIVE on Business in Europe: Framework for Income Taxation (BEFIT) - COM(2023) 532” (with Karoline Spies, Raffaele Petruzzi, Fanz Wallig, Marcelo Moura, Giuseppe Moramarco, Jürgen Romstorfer), European Commission, 2024

  2. Google Ireland. System of penalties relating to the Hungarian tax on advertising is not compatible with EU law. Court of Justice. Comments (with B. Karolyi), Highlights & Insights on European Taxation, 2020/169.

  3. RPO. VAT rates. Higlights & Insights on European Taxation 2017/243, p. 25.

  4. Commission opens formal State aid investigation into Hungarian advertisement tax, Highlights & Insights on European Taxation 2015/6, 97.

  5. Alleged aid to Amazon. Invitation to submit comments, European Commission, Highlights & Insights on European Taxation 2015/5, 65.

  6. Alleged aid to Starbucks. Invitation to submit comments. European Commission, Highlights & Insights on European Taxation 2015/1, 122.

  7. Commission investigates transfer pricing arrangements on corporate taxation of Amazon in Luxembourg, Highlights & Insights on European Taxation 2014/12, 129.

  8. UK v Council. Authorisation of enhanced cooperation in the area of FTT. Action for annulment dismissed. Court of Justice, Highlights & Insights on European Taxation 2014/10, 18.

  9. Hervis Sport- és Divatkereskedelmi. Taxation which disadvantages undertakings linked, within a group, to companies established in another Member State constitutes indirect discrimination on the basis of the registered office of the companies. Court of Justice, H&I 2014/4.127

  10. Commission v Hungary. Purchase and sale of residential property in Hungary. No infringement. Court of Justice, H&I 2012/2.6

  11. Commission v Belgium. Registration duties. Calculation of a tax advantage upon the purchase of immovable property. Justification. Court of Justice, H&I 2012/2.7

  12. Ecofin. Taxation of savings interest and financial sector taxation. Removing cross-border tax obstacles for EU citizens, H&I 2011/7.1

  13. Établissements Rimbaud. Refusal of exemption not in breach of EEA Agreement. Court of Justice, H&I 2011/1.2

  14. Letter of formal notice - Norwegian rules on exit tax. EFTA Surveillance Authority, H&I 2010/7.8

  15. Gaz de France - Berliner Investissement SA. Concept of 'company of a Member State '. ECJ., H&I 2009/12.7

  16. Puffer. The right to deduct input value added tax on the building costs of a building treated as forming, in its entirety, part of the assets of someone's business, but which is partly in private use. State aid provision versus VAT-directive. ECJ, H&I 2009/6.10

  17. HSBC Holdings plc. Levying of a duty of 1.5% on the transfer of shares into a clearance service. Advocate General, H&I 2009/5.24

  18. Block. Refusing relief for double taxation of cross-border inheritance not contrary to the free movement of capital. ECJ, H&I 2009/4.12

  19. A.T. v Finanzamt Stuttgart - Körperschaften. Merger Directive precludes double book value carryover requirement by national laws, H&I 2008/2.

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VII. Vorträge / Presentations, lectures

  1. Conference: "Recent and Pending Cases at the CJEU on Direct Taxation", WU, Vienna, 5 December 2023, Presentation on "Hungary: CJEU 16 November 2023, C-318/22, GE Infrastructure" with Bence Péter Komár. 

  2. Guest Lecture of Prof. Eivind Furuseth, WU, Vienna, 4 December 2023, Discussant at a Panel at the Guest Lecture of Prof. Eivind Furuseth: "The Use of Tax Incentives to Promote the Change to a Green Economy".

  3. Conference: "Recent and Pending Cases at the Court of Justice of the European Union on Direct Taxation", WU, Vienna, 3-5 December 2023, Chair of a panel. 

  4. Conference “EU Minimum Corporate Income Tax Directive and its Impact on Non-Member Countries”, Belgrade, Serbia, 24 November 2023, speaker, presentation on “Covered Taxes under the Pillar Two Directive”.

  5. IFA Congress Cancun, Cancun, Mexico, 27-31 October 2023, Chair of a panel discussion, WU Tax Talk „Whats Next? International Tax Law Beyond BEPS and Pillars" with I. Grinberg/D. Ring/M. Lang/A. Rust/G. Kofler.

  6. 17th GREIT Conference, National (Tax) Autonomy and the European Union: Revival or Demise?, Maastricht, The Netherlands, 5-6 October 2023, Presentation on “Should a subjective test be introduced in the State aid analysis of fiscal measures?”.

  7. IFA European Region Conference, Amsterdam, The Netherlands, 6 July 2023, Break-out Session B. Fiscal State aid and tax avoidance: Where are we now?.

  8. IFA European Region Conference, Amsterdam, The Netherlands, 5-7 July 2023, Chair of a panel "Countering tax avoidance in the European Union and beyond".

  9. Honorary Lecture of Prof. Reuven Avi-Yonah, WU, Vienna, 27 April 2023, Discussant at a Panel at the Honorary Lecture of Prof. Reuven Avi-Yonah: “The Historical Origins and Current Prospects of a Multilateral Tax Convention”.

  10. Conference: "Tax Treaty Case Law around the Globe 2023", WU, Vienna, 26-28 April 2023, Presentation on “Hungary: Server PE case”.

  11. WU Global Transfer Pricing Conference, WU, Vienna, 15-17 February 2023, Chair of a panel "Transfer Pricing Aspects of Pillar One".

  12. Conference: ”Court of Justice of the European Union: Recent VAT Case Law“, WU, Vienna, 18-20 January 2023, Chair of a Panel "Input VAT Deductions in VAT Law - Recent Case Law of the CJEU". 

  13. Course for LLM International Tax Law, WU, Vienna, 16 Dezember 2022, Presentation on "The effects of the MLI on tax treaties".

  14. Conference, Ukrainian European Studies Association, Ukraine, 8 Dezember 2022, Presentation on "Post-war tax policy for Ukraine: options and recommendations."

  15. Conference "Recent and Pending Cases at the Court of Justice of the European Union on Direct Taxation”, WU, Vienna, 18 November 2022, Presentation on "Hungary: the Marcas case (C-363/20)".

  16. Conference: Pressing Issues in EU Tax law, University Amsterdam, Amsterdam, The Netherlands, 4 November 2022, Presentation on "Future of business taxation in the EU: an outlook".

  17. Conference, WU, Vienna, 1. October 2022, Presentation on "Aktuelle Entwicklungen bei Quellensteuern im Internationalen und Europäischen Raum".

  18. Workshop, WU, Vienna, 15 September 2022, Presentation on "The Development of Tax Certainty for MNEs in the Context of Pillar 1 and Pillar 2".

  19. IFA 2022 Berlin Congress, Seminar organized by the Institute for Austrian and International Tax Law (WU), 6 September 2022, panel discussion on “Will the two pillars support a sustainable international tax architecture?”.

  20. GREIT Lisbon Summer Course, 22 June 2022, Presentation on "EU Directive proposal on Pillar Two".

  21. IFA/EU Panel - IFA 2020 Virtual Congress, 16-25 November 2022, Panel for "EU State Aid and Tax Rulings, EU and the Digitalized Economy".

  22. GREIT Lisbon Summer Course, 22 June 2022, Presentation on "EU Directive proposal on Pillar Two".

  23. GREIT Lisbon Summer Course, 21 June 2022, Presentation on "The status of substantial activity under Pillar One and Pillar Two".

  24. Doctoral Seminar, 25 February 2022, Presentation on "Prohibition of State Aid: its relevance for tax law, current developments, implications in relations with third countries".

  25. Conference on Recent and Pending Cases at the Court of Justice of the European Union on Direct Taxation, WU, Vienna, 15 -16 November 2021, presentation on Hungarian case: MARCAS MC (Case C-363/20).

  26. 13th GREIT Lisbon Summer Course, 24 June 2021, Presentation on "Relationship between EU primary and secondary law".

  27. Guest Lecture at UvA-IBFD LLM, EU Tax Law Advanced course, 31 March 2021, Presentation on "Relationship between primary and secondary EU law/exhaustive harmonization".

  28. Lecture WU LLM Program on International Tax Law, 12 December 2020, Presentation on "The Effects of the MLI on Tax Treaties".

  29. IFA 2020 Virtual Congress, IFA/EU Panel, 23 November 2020, presentation on EU State Aid and Tax Rulings, EU and the Digitalized Economy.

  30. Conference on Recent and Pending Cases at the Court of Justice of the European Union on Direct Taxation, WU, Vienna, 20 -21 November 2020, presentation on Hungarian Cases: Vodafone (C-75/18), Tesco (C-323/18), Google Ireland (C-482/18), Commission v Hungary (C-596/19 P).

  31. Lecture WU LLM Program on International Tax Law, 6 December 2019, Presentation on "Tax Treaties in a Post-BEPS Era".

  32. Research Seminar at FAU-SIT Nuremberg, 7 November 2019, presentation on the Role of General Principles in International Tax Coordination: Substance Requirement as a General Principle.

  33. 25th Viennese Symposium on International Tax Law “Tax Treaty Entitlement”, WU, Vienna, 22 June 2019, presentation on Limitation on Benefits Clauses (with L. Ramharter).

  34. Conference on Tax Treaty Case Law around the Globe, WU, Vienna, 25 May 2019, presentation on Hungarian Cases, Constitutional Court, case no. 31/2017. (XII.6.).

  35. Conference on Tax Treaty Case Law around the Globe, WU, Vienna, 24 May 2019, presentation on "Associated Enterprises (Art 9 OECD Model), Hungarian Cases: Budapest Capital Administration and Labour Court, case no. 14.K.32.030/2016/30" (with B: Karolyi). 

  36. Doctorate Seminar 2019, WU, Vienna, 15-18 February 2019, presentations on Sources of EU law relevant for direct taxation (with M. Lang); Tax policy coordination in the European Union and the implementation of the BEPS project; Prohibition of State Aid: Its relevance for tax law, procedures and current developments

  37. Visiting lecture series, Université Paris 1 Panthéon Sorbonne, Paris, France, 23-25 January 2019, presentations on EU Tax Law: Overview and Current Issues

  38. Lecture WU LLM Program on International Tax Law, 14 December 2018, Presentation on "Tax Treaties in a Post-BEPS Era".

  39. Conference on Recent and Pending Cases at the CJEU on Direct Taxation, WU, Vienna, 8-10 November 2018, presentation on Hungarian Cases: Vodafone Magyarország (C-75/18), Tesco-Global Áruházak (C-323/18)

  40. 10th GREIT Lisbon Summer Course, 19 June 2018, Presentation on "The EU's Constitutional Foundations".

  41. 10th GREIT Lisbon Summer Course, Lisbon, Portugal, 19-22 June 2018, presentation on The EU’s Constitutional Foundations.

  42. 13th GREIT Conference, Multilateralism and International Tax Law, Lisbon, Portugal, 18-19 June 2018, presentation on Obligations of MLI Signatories with Respect to their CTA (with D. Blum)

  43. New perspectives on Fiscal State Aid - Legitimacy and effectiveness of Fiscal State Aid Control, 23 February 2018, Presentation on "Fiscal State Aid and the Anti-Tax Avoidance Directives: What role for National Judges?".

  44. Academic Seminar: Role and Design of Tax Treaties in a Global Integrated Economy, 6 February 2018, Presentation on "Comments on papers presented at the invitational seminar".

  45. WU LLM Program on International Tax Law, 8 December 2017, "Tax treaties as tax planning tools in a post-BEPS era".

  46. UvA-IBFD LLM, 4 May 2017, Presentation on "EU state aid issues raised by MNE structures".

  47. Fiscal State Aid and the Role of National Judges within the EU Commission`s Modernization Programme, 31 March 2017, Presentation on "Introduction to State aid ¿" (with A. Miladinovic).

  48. Fiscal State Aid and the Role of National Judges within the EU Commission`s Modernization Programme, 31 March 2017, Presentation on "The Application of State Aid Law - Decisions of the EU Commission and Case Law of the EU Courts" (with M. Screpante).

  49. Doctorate Seminar on European Tax Law, 18 February 2017, Presentation on "Cooperation between financial authorities within the EU: Exchange of information, recovery of tax claims".

  50. Doctorate Seminar on European Tax Law, 18 February 2017, Presentation on "Prohibition of State aid: Current developments and implications in relations to third countries".

  51. Doctorate Seminar on European Tax Law, 17 February 2017, Presentation on "Sources of EU law relevant for direct taxation".

  52. The return of the CC(C)TB: First critical analysis, 27-28 January 2017, Presentation on "Exit Tax".

  53. 11th GREIT Conference, European Tax Coordination: Law, Policy and Politics, Ischia, Italy, 8-10 September 2016, presentation on The impact of the EU Anti-BEPS Package on the exercise of national tax sovereignty

  54. GREIT Lisbon Summer Course on Tax Competition in the post-BEPS era, IDEFF, Lisbon, Portugal, 20-24 June 2016, presentation on GAAR and Exit Taxation in the EU Anti-Avoidance Directive Proposal

  55. EUCOTAX Opening Conference, WU, Vienna, 14 April 2016, presentation on Rulings and State aid

  56. Cooperative Compliance: Breaking the Barriers, WU, Vienna, 14-15 April 2016, presentation on Cooperative compliance at the crossroad of different legal frameworks – Cooperative compliance in the light of the EU State aid rules

  57. ITC Leiden, Adv LLM Program in European Tax Law, Leiden, The Netherlands, 17 March 2016, lecture in Fiscal State aid course: State aid and fundamental freedoms

  58. Guest lecture, 21 January 2016, Lecture on "The Relationship between EU Primary and Secondary Law in the field of taxation".

  59. UvA/IBFD LLM, Amsterdam, The Netherlands, 20 January 2016, lecture on State aid and taxation: Influence of State aid on rulings, the transfer pricing rules (Apple, Starbucks, FIAT, Amazon-cases), mismatches; patent boxes

  60. Central European University (CEU), School of Public Policy, Budapest, Hungary, 11 December 2015, lecture on Aggressive tax planning and responses at international and EU level

  61. Conference on Recent and Pending Cases at the ECJ on Direct Taxation, WU, Vienna, 19-21 November 2015, presentation on Hungarian Cases: Berlington Hungary (C-98/14)

  62. State Aid Law and Business Taxation, Brussels, Belgium, 5-6 November 2015, presentation on Double Taxation Relief, Transfer Pricing Adjustments and State Aid Law

  63. Instituto Colombiano de Derecho Tributario (ICDT), Bogota, Colombia, 16-17 October 2015, presentations on EU tax law: Basic principles; Overview of the OECD BEPS Recommendations

  64. International Tax Law Diploma Program, ICDT, 16 October 2015, presentation on "The Impact of European Union Law on Taxation - Directives, Fundamental Freedoms and Non-Discrimination - International Aspects".

  65. EU Tax Law Conference, Kromann Reumert/ACTL, Copenhagen, Denmark, 2 October 2015, presentation on Fiscal State aid: Selectivity and attribution of aid

  66. IFA 2015, 30 August – 3 September 2015, Panel member on Seminar F, IFA/EU: State aid review as a means to combat aggressive tax planning Xiamen University Tax Summer School, Special Issues on Tax Treaty Law,

  67. GREIT Lisbon Summer Course on Tax evasion, tax avoidance and aggressive tax planning, IDEFF, Lisbon, Portugal, 22-26 June 2015, presentation on Parent-Subsidiary Directive, Merger Directive, Interest & Royalties Directive in the light of BEPS (with Cécile Brokelind)

  68. Xiamen, China, 20-25 July 2015, presentations on Introduction to tax treaty law; Methods to avoid double taxation; Abuse of Tax Treaties – Where are the limits?; Introduction to BEPS; Non-discrimination clause of tax treaties

  69. GREIT Lisbon Summer Course, Lisbon, Portugal, 19-23 June 2015, presentation on "The Anti-Tax Avoidance Directive: Focus on Exit and Hybrid Provisions".

  70. Junior Tax Scholars Conference, Université Paris 1 Panthéon-Sorbonne, Paris, France, 18 June 2015, presentation on The sources of EU law and their relationships: Lessons for the field of taxation

  71. Atelier Droit Fiscal, Université Paris 1 Panthéon-Sorbonne, Paris, France, 17 June 2015, presentation on The interaction between the EU freedoms and the State aid rules: discrimination and selectivity in the light of recent cases

  72. Competition Law Forum (CLF) Conference, State Aid, Tax, and the Notion of Selective Advantage, Brussels, Belgium, 26 March 2015, presentation on The cases of Amazon, Fiat, Starbucks, and Apple, and the latest in the Belgian ‘excess profit’ case

  73. Doctorate Seminar 2015, WU, Vienna, 13-14 February 2015, presentations on Institutions and legal sources of EU law relevant for direct taxation (with M. Lang); Prohibition of State Aid: Special problems in tax matters

  74. International Tax Centre Leiden - EU Tax Law, 9 February 2015, Presentation on "The Case Law of the CJEU on Direct Taxation".

  75. Winter Course on European Tax Law, ACTL, UvA, Amsterdam, The Netherlands, 30 January 2015, lecture on the Parent-Subsidiary Directive.

  76. Winter Course on International Tax Law, ACTL, UvA, Amsterdam, The Netherlands, 22 January 2015, lecture on Permanent establishments

  77. ACTL Conference, The influence of the EU State Aid provisions on Tax Rulings, Transfer Pricing (APA’s), Mismatches and the BEPS discussion, Amsterdam, The Netherlands, 9 January 2015

  78. Instituto Colombiano de Derecho Tributario (ICDT), Bogota, Colombia, 28-29 November 2014, presentations on EU tax law: Basic principles; Non-discrimination clause under Article 24 OECD Model

  79. Conference on Recent and Pending Cases at the ECJ on Direct Taxation, WU, Vienna, 20-22 November 2014, presentation on Hungarian Cases: Hervis (C-385/12), Delphi Hungary (C-654/13), Berlington Hungary (C-98/14)

  80. “The relationship between EU primary and secondary law: the example of taxes”, GREIT Lisbon Summer Course, 4 - 7 June 2013, Lisbon, Portugal

  81. “R&D incentives in Hungary and in the Netherlands”, IBA European Regional Forum, 21 - 23 November 2012, Warsaw, Poland

  82. “The Dutch Interest Box and State aid? – Case study”, GREIT Lisbon Summer Course, 4 - 6 June 2012, Lisbon, Portugal

  83. “State aid – Gibraltar case”, EU Tax Law Group meeting, 12 April 2012, Amsterdam

  84. “State aid rules and Fundamental Freedoms”, PhD Seminar and Conference on “Fiscal State Aid and its Quantification and Recovery”, 24 November 2011, Leiden

  85. “Anti-abuse Clauses under the Direct Tax Directives”, GREIT Lisbon Summer Course, 19 - 23 June 2011, Lisbon, Portugal

  86. “The Direct Tax Directives”, GREIT Lisbon Summer Course, 21 - 25 June 2010, Lisbon, Portugal

  87. “The subsidiarity discussion”, ACTL Seminar on CCCTB, 10 - 11 June 2011, Amsterdam

  88. “The Hungarian intra-group interest regime: harmful tax competition, State aid or legitimate exercise of tax sovereignty?” IFA CEE Regional Congress, 25 - 27 November 2009, Warsaw, Poland

  89. "The ECJ's jurisprudence in direct taxation", Seminari di diritto tributario internazionale e comunitario, September - December 2009, 6 November 2009, Padova, Italy

  90. “Interpretation of Secondary EU law in the Light of Primary EU law”, GREIT Seminar, 25 - 26 September 2009, Amsterdam

  91. IFA 2008 Brussels Congress, member of the panel at the YIN Seminar, discussion of the doctoral thesis of Dr. Emmanuel Raingeard de la Blétière "The relationships between EC law and international tax law", 2 September 2008, Brussels, Belgium

  92. GREIT Lisbon Summer Course, Lisbon, Portugal, 30 June 2007, Presentation on "The relationship between EU primary and secondary law: the example of taxes".

    93.