Switzerland: New rules on inter-cantonal tax allocation established

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: New rules on inter-cantonal tax allocation established

Sponsored by

Sponsored_Firms_deloitte.png
The Swiss tax reform has brought in fresh changes

Daniel Stutzmann and Manuel Angehrn of Deloitte Switzerland consider how the Swiss tax reform has led Swiss cantons to move towards a ‘function-based’ tax approach.

Following the implementation of the Swiss tax reform into applicable tax law on January 1 2020 and the abolishment of the preferential tax regime, Swiss cantons have established new rules to attribute profits amongst Swiss cantons in connection with the application of benefits provided by the reform.

Based on the long-standing practice established by the Swiss Supreme Court to avoid double taxation within Switzerland based on quotas or direct allocation, the rules allow for the appropriate determination of a profit allocation in the case of multiple locations within Switzerland. This change is in connection with the benefits derived from the Swiss tax reform. Circular letter No. 34 dated January 15 2020 outlines cases and possibilities to make use of the Swiss tax reform within an inter-cantonal context. 



Depending on the approach taken by a tax payer (direct allocation by the way of permanent establishment (PE) accounts or indirect allocation by way of quotas), cantons are required to determine the taxable profit subject to cantonal and communal tax. This will be based on their tax laws and influence their ability to grant incentives, even in cases where functions are subject to a benefit which are not performed within the canton.



The rules address the change from a mere ‘legal entity’ approach of taxation towards a ‘function-based’ taxation. Furthermore, the limitation of benefit introduced as part of the Swiss tax reform and the way limitations are shared among the cantons is defined in detail. Thus, taxpayers may need to revisit their existing legal structure and assess the impact of a likely preferential combination of research and development (R&D) entities with manufacturing, sales or distribution entities and their preferred allocation approach to fully utilise potential R&D tax incentives granted by a Swiss canton, even in case the respective activities are located in a different canton. 



Considering that tax is a deductible expense in Switzerland, the changed rules require a taxpayer to have clarity on the benefits to be applied for in the tax return prior to the business year-end. Accordingly, action in advance of the year-end is highly recommended and required.



The combination of entities and functions within a single Swiss legal entity not only makes sense from a domestic perspective, but – considering the possibilities of a transition regime or the possible R&D activities in Switzerland – could allow corporations to shelter additional profit with benefits derived from Swiss R&D.





Daniel Stutzmann

T: +41 58 279 6307

E: dstutzmann@deloitte.ch



Manuel Angehrn

T: +41 58 279 7279

E: maangehrn@deloitte.ch



more across site & shared bottom lb ros

More from across our site

Despite estimates that the US/OECD agreement will cost countries billions, the Fair Tax Foundation’s Paul Monaghan believes the deal is a ‘necessary evil’
The firm’s eye-catching UK launch is a major statement of intent, but it will face stern opposition in its quest to be the top global tax player
The postponement came after industry representatives flagged implementation issues with the registration regime; in other news, firms made key tax partner additions
Despite the increased yield, the time taken to resolve enquiries was at a six-year high, new HMRC statistics have revealed
The High Court’s dismissal of barrister Setu Kamal’s legal challenge represents the first successful strike-out under a new law on SLAPPs
IP lawyers, who say they are encouraging clients to build up ‘tariff resilience’, should treat the risks posed by recent orders as a core consideration in cross-border licensing
As Coca-Cola awaits a crucial 11th Circuit Court of Appeals decision this year, its multibillion-dollar tax dispute could have profound implications for investors, cash flow, and corporate transparency
However, women in tax face greater career obstacles than their male counterparts, an exclusive ITR survey of more than 100 women tax leaders revealed
Under Jeff Soar’s leadership, WTS UK aims to scale to 100 partners within five years and challenge the big four
As the firm embarks on a major shakeup of its EMEA partnerships, some staff will be watching nervously
Gift this article