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Mexico Carbon Tax

Mexico Carbon Tax: Federal carbon tax under IEPS applies fuel-specific charges based on carbon content

Maílis Carrilho
Written by Maílis Carrilho
Updated on February 18th, 2026

Summary

Mexico’s carbon tax is implemented through the LIEPS excise framework and applies to covered fossil fuels based on carbon content, using fuel-specific rates. Obligated taxpayers must correctly classify fuels, apply the statutory quota, and maintain strong records linking volumes and imports to tax calculations. Non-compliance risks fiscal penalties and audits. For the industry, the main impacts are fuel cost pass-through, contracting adjustments, and increased value of fuel switching and efficiency.

Details

Jurisdictions
  • Mexico
Mandatory for

Mandatory for entities that produce, import, or sell covered fossil fuels in taxable events defined by LIEPS.

Exemptions

Exceptions depend on statutory exclusions, product definitions, and whether fuels are destined for covered combustion uses, as interpreted under LIEPS provisions and guidance.

Deep dive

2 min read
Published Feb 18, 2026

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What’s Required

Obligated taxpayers must:

  • Determine taxable events: the tax applies to the sale and importation of covered fossil fuels under LIEPS provisions governing excise taxes.

  • Apply the relevant carbon quota/rate: rates are differentiated by fuel type and are linked to carbon content (LIEPS schedules and annual updates can apply).

  • Maintain tax records and invoices: demonstrate volumes, fuel classification, import documentation, and tax calculation support.

  • Manage exemptions or special cases: the carbon tax design has historically included exclusions for certain fuels (for example, treatment of natural gas has been discussed in technical analyses), and taxpayers must apply the law as written and updated.

Important Deadlines

  • Legislative reform package published: 11 December 2013 (DOF) is a key reference point for the reform, introducing environmental taxes, with application from 2014 in practice, as reflected in authoritative technical summaries.

  • Ongoing updates: rates and quotas can be updated; compliance is continuous with periodic tax filings per fiscal obligations.

Current Status

  • In force as part of the LIEPS framework, with published consolidated texts available via official sources.

Penalties for Non-Compliance

  • Tax non-compliance can trigger fiscal penalties, surcharges, audits, and enforcement actions under Mexico’s tax administration powers.

  • Misclassification of fuels, under-declaration of volumes, or incorrect rate application are core audit risks.

Examples of Known Violations

Common failure modes include:

  • incorrect tariff application due to fuel misclassification,

  • discrepancies between customs/import records and declared taxable volumes,

  • inadequate documentation supporting exemptions or special treatments,

  • weak controls where fuel blending changes carbon content assumptions.

Resources


Maílis Carrilho
Added by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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Added on Feb 18, 2026 by Maílis Carrilho ·