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Portrait ofWilliam Hamon

William Hamon

Partner

Contact
CMS Francis Lefebvre Avocats
2 rue Ancelle
92522 Neuilly-sur-Seine
Cedex
France
Languages French, English

William Hamon joined CMS Francis Lefebvre in 2007, he has conducted numerous audits on the correct application by companies of the VAT rules relating to their flows of goods and services.

William deals with VAT matters and other indirect taxes, in all business sectors, predominantly the industrial and commercial sectors. He provides advice to companies to support them in their operations within and outside European Union, assists them in their dealings with the French tax authorities (tax audits and individual or collective rulings) and represents them in court.

William’s clients particularly appreciate his teaching skills and his ability to develop summary documents for use by operational staff.

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Relevant experience

  • Participation in conferences and webinars organised by CMS Francis Lefebvre
  • Delivery of vocational training, technical seminars and conferences at Lefebvre Dalloz (2009-present)
  • Lecturer in VAT at the Universities of Paris 5 (2012-present), Paris 1 Panthéon-La Sorbonne (2021)
  •  Lecturer in VAT at ESSEC Business School (2011 and 2012) and at the Universities of Paris Dauphine (2017-2020) and Caen (2011 to 2016)
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Memberships & Roles

  • Member of International VAT Club
  • Member of IACF (French Insitute of Tax Lawyers)
  • Bar Admission 2007
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Publications

  • L'autoliquidation de la TVA, co-author, book published by Editions Francis Lefebvre (November 2015)
  • Fiscalité du véhicule électrique, co-author, CMS Francis Lefebvre (April 2021)
  • « Quick fixes » : l’administration publie ses commentaires, co-author  – Option Finance (January 2021)
  • Livraison de biens après installation ou montage en Allemagne : dans certains cas, la TVA sera due par le fournisseur, co-author, Editions Francis Lefebvre, Navis Fiscal (November 2020) and La Quotidienne (December 2021)
  • Déclarer les « opérations non imposables » en France sur l’imprimé n° 3310-CA3 – Francis Lefebvre e-compliance (June 2020)
  • Déclarer les opérations imposables en France sur l’imprimé n° 3310-CA3 – Francis Lefebvre e-compliance (December 2019)
  • Quelles sont les règles de déduction de la TVA sur les frais de mission engagés en France ? – Francis Lefebvre e-compliance (November 2019)
  • Exclusion ou restriction du droit à déduction de la TVA : quelles sont les dépenses concernées ? – Francis Lefebvre e-compliance (October 2019)
  • Les 8 conditions de la déduction de la TVA sur les achats de biens et de services – Francis Lefebvre e-compliance (September 2019)
  • De nouvelles obligations en matière de livraisons intracommunautaires à l’horizon 2020 – Francis Lefebvre e-compliance (July 2019)
  • INSIGHT: Google Has Won Second Round Against the French Tax Authorities – Bloomberg Tax (Mai 2019)
  • Tax Issues with the Sharing Economy, co-auteur  – Tax Management International Forum, Bloomberg Tax (August 2018)
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Education

  • CAPA (post-graduate legal qualification required to practise as a solicitor or barrister in France) (2007)
  • Post-graduate degree in Tax Law, University of Paris 5 (2005)
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15/04/2021
Réforme de la TVA du e‑commerce
L’Union européenne a profondément modifié le régime de TVA des ventes à distance de biens à destination des particuliers pour l’adapter au e-commerce. Après un report de 6 mois lié à la crise...

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04/01/2024
Electronic invoicing: What does the reform entail?
‑‑This page presents the main aspects of the reform and is updated periodically (last updated on 04/01/2024). The legislative framework is defined by the Amending Finance law No. 2022-1157 of 16 August...
04/01/2024
Electronic invoicing and transmission of transactions data to the tax authorities
Check out our infographics to understand the basics of the reform. The legislative framework for this e-invoicing reform is defined in an Amending Finance Act (Act No. 2022-1157 of 16 August 2022, Art...
20/06/2023
CMS Francis Lefebvre advised IDIA Capital Investissement and Crédit Agricole...
CMS Francis Lefebvre advised IDIA Capital Investissement and Crédit Agricole Régions Investissement on the acquisition of a minority stake in Dammann Frères. CMS Francis Lefebvre has advised IDIA Capital...
08/07/2022
Glossary of electronic invoicing
B2B/B2C/B2G: acronyms used to categorise business relations based on the nature of the parties involved:o    B2B (Business to Business) relations are those between two taxable persons, o    B2C...