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World Tax Advisor

A world of news with tax@hand

World Tax Advisor delivers weekly in-depth tax news, commentary, and insights reported on Deloitte tax@hand, Deloitte’s global tax news and information resource for tax and business professionals.

Discover the latest in global tax developments with our World Tax Advisor newsletter.

1 August 2025

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Brazil

  • Supreme Court re-establishes increased IOF rates

United Arab Emirates

  • Mutual agreement procedure guidance published

United Kingdom

  • “L-Day” draft legislation and other announcements

United States

  • OBBBA includes provisions affecting private wealth taxpayers

Vietnam

  • Law introduces incentives to support digital technology sector

The issue also includes additional articles relating to Hong Kong SAR, Singapore, the United Kingdom, the United States, and Vietnam.

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