Switzerland amends US tax treaty

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

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

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

Switzerland amends US tax treaty

swiss-us.jpg

The Swiss parliament yesterday amended its tax treaty with the US allowing the IRS to easily identify US taxpayers with undeclared Swiss accounts.

The amendment sets a course for greater tax information sharing between the two countries. It is also hoped this will relieve some of the pressure the US is putting on Swiss banks, such as UBS, to share information.

Although the Swiss-US treaty has allowed information exchange for a number of decades, Swiss banking secrecy rules have seen the Switzerland interpreting these rules narrowly.

The new treaty will allow the IRS to ask the Swiss authorities to share the names of US taxpayers who exhibit “behavioural patterns” of tax evasion as set out by US law.

FURTHER READING:

Switzerland puts forward new tax compliance model

EXCLUSIVE: Rudolf Elmer explains why he blew the whistle on Julius Bär’s secret evasion activities

Ten things you need to know about the UK-Swiss tax deal

Swiss banks to pay $2.8 billion to Germany in tax evasion deal

more across site & shared bottom lb ros

More from across our site

Brazil’s tax reform unifies consumption taxes to simplify rules, centralise administration and reduce legal uncertainty
The ever-expansive firm has once again attracted a former ‘big four’ talent to lead the new offering
The amended double taxation avoidance agreement removes France’s most favoured nation status for tax treaty benefits
The levies extended beyond the president’s ‘legitimate reach’, the Supreme Court ruled
While Brazil’s consumption tax overhaul led to a short-term spike in tax advisory demand, we are now in a period of ‘normalisation’ marked by decreased recruitment
The expanded firm will comprise roughly 8,500 employees, including 550 partners; in other news, Paul Hastings and Macfarlanes made senior tax hires
Meanwhile, one expert highlights the importance of separating Venezuela’s tax authority from direct political control after ‘lost decades and isolation’
With PMK 108, Indonesia has upgraded its tax transparency regime for the digital era, focusing on data quality, governance, and cross border exchange rather than expanding regulatory reach
In a popular LinkedIn post, Jeremie Beitel encouraged firms to invest in junior talent even if it doesn’t lead to their loyalty, though recruiters offered ITR a mixed assessment
Advisers who do not register for the new regime in time could be prevented from interacting with HMRC, the tax authority said
Gift this article