Unanswered questions after Mayo

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2025

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Unanswered questions after Mayo

The US Supreme Court’s decision in Mayo earlier this year caught the attention of tax professionals. George Hani and Alan Horowitz of Miller & Chevalier, Washington, DC, argue that the full impact of the case will depend on the outcome of a new case addressing whether deference is owed to a more aggressive effort by the IRS to issue regulations with retroactive effect.

Unlock this content.

The content you are trying to view is exclusive to our subscribers.

To unlock this content:

Take a Free Trial or Login
more across site & shared bottom lb ros

More from across our site

New French legislation should create a more consistent legal environment for taxing gains from management packages, say Bruno Knadjian and Sylvain Piémont of Herbert Smith Freehills Kramer
The South Africa vs SC ruling may embolden the tax authority to take a more aggressive approach to TP assessments, an adviser tells ITR
Indirect tax professionals now rate compliance as a bigger obstacle than technology and automation; in other news, Italy approved a VAT cut on art sales
AI-powered tax agents are likely to be the next big development in tax technology, says Russell Gammon of Tax Systems
FTI Consulting’s EMEA head of employment tax and reward tells ITR about celebrating diversity in the profession, his love of musicals, and what makes tax cool
Canadian Prime Minister Mark Carney and US President Donald Trump have agreed that the countries will look to conclude a deal by July 21, 2025
The firm’s lack of transparency regarding its tax leaks scandal should see the ban extended beyond June 30, senators Deborah O’Neill and Barbara Pocock tell ITR
Despite posing significant administrative hurdles, digital services taxes remain ‘the best way forward’ for emerging economies, says Neil Kelley, COO of Ascoria
A ‘joint understanding’ among G7 countries that ‘defends American interests’ is set to be announced, Scott Bessent claimed
The ‘big four’ firm’s inaugural annual report unveiled a sharp drop in profits for 2024; in other news, Baker McKenzie and Perkins Coie expanded their US tax benches
Gift this article