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Mexico tax treaties: how to claim treaty rates, the multilateral instrument, the US treaty and the Latin American network

Argentina. For full detail on Argentina, go to The Argentine Thread.

Last verified: 2026-10-26 · Status: Stable

Mexico has a wide network of double tax treaties; a foreign recipient gets the reduced treaty rate only if it proves tax residence in the treaty country and meets Mexican procedural rules, and the Mexican payer may then apply the treaty rate directly. In related party cases the SAT can ask the recipient for a sworn statement that the income is also taxed at home; since 1 July 2023 the OECD multilateral instrument modifies Mexico's covered treaties with anti abuse rules. The US treaty, the most used, caps dividend withholding at 5 percent (0 percent for qualifying 80 percent parents), interest at 4.9 to 15 percent and royalties at 10 percent; Mexico also has treaties in force with Argentina, Brazil, Chile, Colombia, Peru and Uruguay.

USD conversions use MXN 18.5026 per US dollar, the US Federal Reserve H.10 noon buying rate in New York for 16 October 2026 (FRED series DEXMXUS), the latest observation available when this page was verified. Mexican tax law uses the Banxico FIX for foreign currency amounts, which differs slightly. Conversions are for orientation only.

Key facts

OECD multilateral instrument (MLI) entry into force for Mexico	2023-07-01 dateMLI signed 7 June 2017, instrument deposited 15 March 2023, as of 2026-10-26 · in force
Mexico and Argentina double tax agreement entry into force	2017-08-23 dateAgreement signed 4 November 2015; Argentine approval Ley 27.334; DOF publication 18 August 2017, as of 2026-10-26 · in force
Mexico and Argentina agreement applicable from	2018-01-01 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
Mexico and Brazil double tax agreement entry into force	2006-11-30 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
Mexico and Chile double tax agreement entry into force	1999-11-15 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
Mexico and Colombia double tax agreement entry into force	2013-07-11 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
Mexico and Peru double tax agreement entry into force	2014-02-19 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
Mexico and Uruguay double tax agreement entry into force	2010-12-29 dateSHCP status of tax agreements, October 2019, as of 2026-10-26 · in force
US and Mexico treaty dividend withholding limits	0 (qualifying 80 percent parents), 5 (10 percent voting stock), 10 (other) %US and Mexico convention art. 10 as amended by the 2002 protocol, as of 2026-10-26 · in force
US and Mexico treaty interest withholding limits	4.9 (banks, insurers, traded bonds), 10 (paid by banks, seller credit for machinery), 15 (other) %US and Mexico convention art. 11, as of 2026-10-26 · in force
US and Mexico treaty royalty withholding limit	10 %US and Mexico convention art. 12, as of 2026-10-26 · in force

The rule

1. Conditions for treaty benefits. Treaty benefits apply only to taxpayers that prove residence in the other country and comply with the treaty and with the procedural provisions of the income tax law, including filing the tax situation report (CFF art. 32-H) or the audited tax report when required or elected (CFF art. 32-A) and appointing a legal representative where the law requires one. Foreign residence certificates do not need legalization, and an authorized translation is needed only if the authorities ask. When the treaty sets a lower withholding rate, the Mexican payer may apply it directly; if it withholds more, the foreign resident may claim a refund of the difference.
Cost to do it: Cost of obtaining a residence certificate from the home tax authority each year, and the Mexican representative where required.
Example: A Mexican company pays MXN 5,000,000 of royalties to a US licensor holding a current IRS residence certificate. It applies the 10 percent treaty limit and withholds MXN 500,000 instead of up to MXN 1,750,000 (35 percent) under domestic law. / Royalties of about USD 270,232; withholding of about USD 27,023 instead of about USD 94,581 at 18.5026.Ley del Impuesto sobre la Renta (LISR), DOF 11 December 2013 (Chamber of Deputies consolidated text, last reform DOF 1 April 2024), Art. 4, 2013-12-11 official text · verified 2026-10-26

2. Proof of double taxation in related party cases. For transactions between related parties, the SAT may ask the foreign resident to prove that juridical double taxation exists, through a statement under oath signed by its legal representative stating that the income subject to Mexican tax for which treaty benefits are claimed is also taxed in its country of residence, citing the applicable provisions and attaching any supporting documents.
Cost to do it: Legal cost of preparing the statement; risk of losing the treaty rate if the income is exempt at home.
Example: A Mexican subsidiary pays interest to an affiliate in a treaty country where that interest is exempt under a special regime. If the SAT asks for the sworn statement, the affiliate cannot confirm the income is taxed, and the treaty rate may be denied. / Losing the treaty rate on a USD 1 million interest payment can raise Mexican withholding from USD 150,000 at a 15 percent treaty rate to USD 350,000 at the domestic 35 percent rate.Ley del Impuesto sobre la Renta (LISR), DOF 11 December 2013 (Chamber of Deputies consolidated text, last reform DOF 1 April 2024), Art. 4, second paragraph, 2013-12-11 official text · verified 2026-10-26

3. Foreign transparent entities. Foreign tax transparent entities and foreign legal arrangements are treated as companies for Mexican income tax purposes, regardless of whether their members are taxed on the income at home, and are considered Mexican residents if they have their principal administration or effective management in Mexico. Treaty claims by or through partnerships and other hybrid vehicles therefore need careful analysis under the specific treaty.
Cost to do it: None directly; affects which person claims the treaty and how income is reported.
Example: A US limited liability company owned by US individuals receives Mexican source royalties. Mexico treats the LLC as a company; whether the US treaty rate applies depends on the treaty rules for fiscally transparent entities and proof of US residence of the owners. / Treaty access determines whether withholding on a USD 100,000 royalty is USD 10,000 or USD 35,000.Ley del Impuesto sobre la Renta (LISR), DOF 11 December 2013 (Chamber of Deputies consolidated text, last reform DOF 1 April 2024), Art. 4-A, 2013-12-11 official text · verified 2026-10-26

4. Mutual agreement and information exchange. Transfer pricing rulings may derive from an agreement with the competent authority of a treaty partner, and may cover longer periods when they result from a mutual agreement procedure. Audits in which the SAT requests information from a foreign tax or customs authority may last up to two years instead of twelve months.
Cost to do it: Time and professional fees; competent authority procedures run on treaty timelines.
Example: A Mexican subsidiary facing a transfer pricing adjustment that is double taxed in the parent's country can pursue relief through the treaty's mutual agreement procedure while the Mexican case proceeds. / Relief can avoid double tax on adjustments worth millions of US dollars.Código Fiscal de la Federación (CFF), DOF 31 December 1981 (Chamber of Deputies consolidated text, last reform DOF 9 April 2026), Art. 34-A; art. 46-A, section B, 1981-12-31 official text · verified 2026-10-26

Country	Signed	In force	Applies from
Argentina	4 November 2015	23 August 2017	1 January 2018
Brazil	25 September 2003	30 November 2006	1 January 2007
Chile	17 April 1998	15 November 1999	1 January 2000
Colombia	13 August 2009	11 July 2013	1 January 2014
Peru	27 April 2011	19 February 2014	1 January 2015
Uruguay	14 August 2009	29 December 2010	1 January 2011

Mexico's tax treaties with selected Latin American countries (dates from the Ministry of Finance status table, October 2019); verified 26 October 2026

Payment	Mexican domestic rate	US treaty limit
Dividends	10 percent	5 percent (10 percent voting stock), 0 percent (qualifying 80 percent parent), 10 percent other
Interest on bank loans and traded bonds	4.9 or 10 percent	4.9 percent
Interest on related party loans	35 percent in most cases	15 percent
Royalties (including trademarks)	25 or 35 percent	10 percent

Domestic withholding versus US treaty limits for payments from Mexico to a US resident beneficial owner

Worked example

A US parent owns 100 percent of a Mexican subsidiary and has done so for more than 12 months; it qualifies under the treaty's limitation on benefits rules.
The subsidiary pays a dividend of MXN 18,502,600 (USD 1,000,000) out of CUFIN. Domestic withholding would be MXN 1,850,260 (USD 100,000); under the US treaty as amended in 2002 the rate is 0 percent, provided the parent's US residence certificate is on file before payment.
The same subsidiary pays the parent USD 200,000 of trademark royalties: domestic withholding of 35 percent (USD 70,000) falls to 10 percent (USD 20,000) under the treaty.
For an Argentine parent, the Mexico and Argentina agreement in force since 2017 applies; the Argentine side of the analysis is covered by The Argentine Thread guide.

Step by step

1. Identify the beneficial owner of each payment and its country of tax residence.
2. Check whether a treaty is in force and applicable for the year, and whether the MLI modifies it.
3. Obtain the recipient's residence certificate for the relevant year before payment.
4. Confirm the Mexican procedural conditions (representative, ISSIF or audited report where applicable) are met.
5. In related party cases, be ready to provide the sworn statement that the income is taxed in the residence country.
6. Apply the treaty rate at payment, or withhold at domestic rates and claim a refund later.

Common traps

No residence certificate at payment. Without proof of residence the payer should withhold at the domestic rate (LISR art. 4).
Income exempt at home. In related party transactions the SAT may deny treaty rates if the recipient cannot show the income is taxed in its residence country (LISR art. 4).
Hybrid entities. Mexico treats foreign transparent entities as companies (LISR art. 4-A), which can change who may claim the treaty.
Old treaty texts. Since 1 July 2023 the MLI modifies Mexico's covered treaties; read the synthesized text with the MLI positions.

Sources

Related: Mexico country profile · live dashboard · central bank and release calendar · our posts on X · where Argentina is involved, see The Argentine Thread guide

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