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24 Oct 2025
6 minute read

World Tax Advisor

A world of news with Deloitte tax@hand.

World Tax Advisor presents tax news, commentary and insights from around the world, including a once-monthly tax treaty update, written by professionals of the member firms of Deloitte and focusing on analyses of cross-border tax developments that reflect the dynamic business environment faced by multinationals. This weekly newsletter links readers directly to top stories reported on Deloitte tax@hand, Deloitte’s global tax news and information resource for tax and business professionals.     

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Recent newsletters appear below; for older issues, please email a request to globaltaxpublications@deloitte.com.      

24 October 2025

Czech Republic:

  • Recent amendments to Top-up Taxes Act

Germany:

  • Administrative guidance on mandatory domestic B2B e-invoicing

Guernsey:

  • Tax authority issues Pillar Two guidance

OECD: 

  • Updates to G20 finance ministers

United States:

  • Testing domestically controlled QIEs under FIRPTA

The issue also includes an additional article relating to the United States.

Archive

17 October 2025
Articles relating to Belgium, Costa Rica, the European Union, France, Germany, Guernsey, Hong Kong SAR, Ireland, New Zealand, and the United States

10 October 2025
Articles relating to Australia, Bermuda, the OECD, Thailand, and the United States

3 October 2025
Articles relating to Australia, Belgium, Cambodia, China, the United Kingdom, and the United States, as well as a Deloitte publication on tax governance and transparency

26 September 2025
Articles relating to the Cayman Islands, Cyprus, Greece, Hong Kong SAR, India, the Isle of Man, Malaysia, the OECD, Taiwan (China), and the United Kingdom, as well as the monthly tax treaty round up

19 September 2025
Articles relating to Belgium, Bermuda, France, Germany, Mexico, the Netherlands, New Zealand, Norway, Paraguay, Taiwan (China), the United Kingdom, and the United States

12 September 2025
Articles relating to Australia, Cambodia, the European Union, India, Indonesia, Ireland, Nigeria, the OECD, the Philippines, Portugal, Singapore, the United States, and Vietnam

29 August 2025
Articles relating to Australia, Brazil, China, Denmark, Italy, New Zealand, and Switzerland, as well as the monthly tax treaty round up

22 August 2025
Articles relating to Australia, Belgium, Germany, Malaysia, the United Kingdom, and the United Nations

15 August 2025
Articles relating to Australia, Cambodia, the European Union, Germany, Indonesia, Korea (ROK), Luxembourg, the OECD, the Philippines, and the United Kingdom

8 August 2025
Articles relating to Australia, Belgium, Costa Rica, France, Korea (ROK), the OECD, and the United States

1 August 2025
Articles relating to Brazil, Hong Kong SAR, Singapore, the United Arab Emirates, the United Kingdom, the United States, and Vietnam

25 July 2025
Articles relating to China, Colombia, the European Union, Hong Kong SAR, Ireland, the OECD, Singapore, and the United States, as well as the monthly tax treaty round up

18 July 2025
Articles relating to Australia, Belgium, Costa Rica, Denmark, the European Union, the G7, Germany, the OECD, and the United States

11 July 2025
Articles relating to Australia, Belgium, Canada, El Salvador, Qatar, Sweden, the United Kingdom, the United States, and Vietnam

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