Mexico: New tax position on pro-rata expenses assigned to Mexico

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

Mexico: New tax position on pro-rata expenses assigned to Mexico

cuellar.jpg

nava.jpg

David Cuellar


Marco Nava

According to the Mexican income tax law (MITL), expenses incurred abroad by a non-resident which are assigned to a Mexican entity on a pro-rata basis are not deductible for income tax purposes in any case. Based on the MITL, a tax deduction of pro-rata expenses is only available for Mexican branches or permanent establishments registered in Mexico to the extent that certain requirements are met. Nevertheless, recently the Mexican Nation Justice's Supreme Court issued a favourable resolution to a private case in which it expressed its position about the prohibition for Mexican entities to deduct pro-rated expenses incurred outside Mexico. In this regard, the Mexican Supreme Court concluded that the limitation for Mexican entities to deduct pro-rata expenses for income tax purposes has not to be deemed in terms of strict application and rather that the tax authorities, before disallowing a tax deduction, must verify if other requirements are satisfied.

The resolution states that there should be a reasonable relationship between the expense and the benefit obtained locally in such manner that the expense does not exceed the benefit obtained by the Mexican taxpayer. In this regard, Mexican tax authorities should validate if the following main requirements are met:

  • The expense must be strictly indispensable to the carrying out of business in Mexico.

  • There must be a reasonable relationship between the expense incurred and the benefit obtained in Mexico.

  • If the expense was incurred between related parties the consideration has to be determined at fair market value under Mexican transfer pricing rules.

  • Taxpayers must be able to demonstrate with documentation the details of the transaction such as type of operation, contractual terms, transfer pricing methodology adopted and comparable data used for such purpose.

  • The expense must be in compliance with Mexican tax laws, accounting principles and the expense must be incurred for a valid business reason and not in an abusive manner.

The Mexican Nation Justice's Supreme Court issued this resolution to protect the constitutional rights in favour of a Mexican taxpayer in the sense that the Mexican tax authorities have to verify if the pro-rata expense complied with such requirements before assessing a tax liability.

In this regard, expenses assigned on a pro-rata basis to a Mexican entity may be deductible to the extent that they comply with the requirements set forth in the domestic law and the criteria stated in the resolution mentioned before. Nevertheless, it is important to consider that the Mexican tax authorities may take a subjective position to some of the concepts included in the Supreme Court's precedent in order to disallow the deduction of pro-rata expenses, since the resolution is not conforming to jurisprudence.

David Cuellar (david.cuellar@mx.pwc.com) and Marco Nava (marco.a.nava@us.pwc.com), Mexico City

PwC

Tel: +52 55 5263 5816

Fax: +52 55 5263 6010

Website: www.pwc.com

more across site & shared bottom lb ros

More from across our site

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
The buyout of Hucke and Associates continues Ryan’s streak of firm acquisitions; in other news, a UK appeal against VAT on private school fees was dismissed
Gift this article