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Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales)

Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales)

DECLARACIÓN ANUAL DE PERSONAS MORALES

ISR — LISR Artículo 9; CFF Artículo 31

I. DATOS DE LA PERSONA MORAL

Razón / Denominación Social: [Entity Name]

RFC: [Entity RFC]

Domicilio Fiscal: [Entity Address]

Representante Legal: [Legal Rep Name]

Régimen Fiscal: [Fiscal Regime]

Ejercicio Fiscal: [Tax Year]

Fecha Límite de Presentación: [Filing Deadline]

II. INGRESOS ACUMULABLES Y DEDUCCIONES AUTORIZADAS

Ingresos Acumulables Totales:

[Total Accruable Income]

Deducciones Autorizadas Totales (LISR Arts. 25–35):

[Total Deductions]

Amortización de Pérdidas Fiscales (LISR Art. 57):

[Fiscal Loss Carryforward]

Resultado Fiscal:

[Resultado Fiscal]

III. CÁLCULO DEL ISR ANUAL (TASA 30%)

ISR Anual (Resultado Fiscal × 30%): [Annual ISR]

Pagos Provisionales Acreditables: [Provisional Payments]

Saldo a Cargo / Saldo a Favor: [Balance Due]

IV. PARTICIPACIÓN DE LOS TRABAJADORES EN LAS UTILIDADES (PTU)

[PTU Base Amount]

V. CUENTAS FISCALES — CUFIN Y CUCA

Cuenta de Utilidad Fiscal Neta (CUFIN — LISR Art. 77):

[CUFIN Balance]

Cuenta de Capital de Aportación (CUCA):

[CUCA Balance]

¿Dictamen Fiscal SIPRED requerido (CFF Art. 32-A)? [SIPRED Required]

DECLARACIÓN BAJO PROTESTA DE DECIR VERDAD

El representante legal declara que la información contenida en la presente declaración anual es verdadera, correcta y completa, y fue elaborada con base en los registros contables y CFDI del ejercicio [Tax Year], en cumplimiento del Código Fiscal de la Federación y la Ley del Impuesto sobre la Renta.

[Entity Name] — RFC: [Entity RFC]

Representante Legal: [Legal Rep Name]

Firma: _________________________

Representante Legal (Legal Representative)

________________

Signature

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What Is a Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales)?

An Annual Income Tax Return for Legal Entities Mexico (Declaración Anual de Personas Morales) is the comprehensive corporate income tax filing submitted by sociedades anónimas (S.A.), sociedades anónimas de capital variable (S.A. de C.V.), sociedades de responsabilidad limitada (S. de R.L.), asociaciones civiles (A.C.), sociedades civiles (S.C.), and all other personas morales (legal entities) to the Servicio de Administración Tributaria (SAT) through the SAT Portal, consolidating the entity's taxable income, authorized deductions, net taxable income (resultado fiscal), and final Impuesto sobre la Renta (ISR) liability for the prior calendar year. The legal obligation derives from LISR Article 9 (which establishes the 30% corporate ISR rate and the resultado fiscal calculation) and CFF Article 31 (which governs the form, means, and deadlines for tax return submissions).

Mexico's corporate ISR regime operates on an accrual basis (devengado) — income is recognized when earned and expenses when incurred, regardless of actual cash flow, with limited exceptions. LISR Title II (Articles 1 through 92) governs the taxation of legal entities and establishes the mechanics of the declaración anual de personas morales. The resultado fiscal (taxable income) is calculated by subtracting authorized deductions (deducciones autorizadas) and the statutory employee profit sharing deduction (deducción de PTU pagada) from total accruable income (ingresos acumulables), and then applying any unused fiscal loss carryforwards (pérdidas fiscales pendientes de amortizar) from prior years. The ISR is 30% of the positive resultado fiscal.

Legal entities in Mexico also face the obligation to calculate and maintain the Cuenta de Utilidad Fiscal Neta (CUFIN — Net Fiscal Profit Account), which tracks after-tax profits available for dividend distribution to shareholders without additional withholding. Dividends distributed from the CUFIN are not subject to additional ISR at the entity level; dividends distributed from profits not reflected in the CUFIN trigger an additional 30% ISR at the entity level (the "dividend gross-up") under LISR Article 10. The declaración anual must include a CUFIN balance update reflecting after-tax profits, dividends distributed, and capital reductions during the year.

The Participación de los Trabajadores en las Utilidades (PTU — employee profit sharing) is calculated on the same taxable income base as ISR under LISR Article 9 and the Ley Federal del Trabajo (LFT) Article 117, at a statutory rate of 10% of taxable income — the PTU is paid to employees by May 31 of the following year (June 30 for state and municipal government entities) and is a deductible expense in the ISR calculation for the year in which it is actually paid (año de pago, not year of accrual). The declaración anual must reflect PTU paid during the year as a deduction and the PTU accrued for the year as an obligation.

The SAT issues the Resolución Miscelánea Fiscal (RMF) annually, establishing supplementary rules, forms, and procedures for the declaración anual. The Anexo 9 of the RMF covers CUFIN and CUCA (Cuenta de Capital de Aportación) calculations, and Anexo 18 covers applicable e.firma requirements for large taxpayers (grandes contribuyentes) and taxpayers in the SIPRED mandatory tax audit regime.

The 2021 reforma de subcontratación (Decreto publicado en el DOF el 23 de abril de 2021) changed the deductibility framework for companies using third-party specialized service providers (servicios especializados). Under the reformed LISR Article 27 fraction V, companies may only deduct payments to subcontractors registered in the REPSE (Registro de Prestadoras de Servicios Especializados u Obras Especializadas) of the Secretaría del Trabajo y Previsión Social (STPS), and must obtain and retain quarterly IMSS and INFONAVIT compliance certificates from those subcontractors. Non-compliant subcontracting payments are now non-deductible in the annual return — a significant change that affects companies across all sectors using outsourced workforce. The declaración anual de personas morales must reflect these deductibility restrictions, and companies with disallowed subcontracting deductions face higher resultado fiscal and correspondingly higher ISR payments.

When Do You Need a Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales)?

An Annual Income Tax Return for Legal Entities Mexico is required from virtually all active Mexican legal entities — the obligation to file is nearly universal, with limited exceptions for entities in transparent regimes or those with zero activities during the year.

The declaración anual de personas morales is required for all S.A. de C.V., S. de R.L. de C.V., S.A.S., and other commercial entities (sociedades mercantiles) that were incorporated and active during any part of the calendar year. An entity that was incorporated mid-year must file for the short fiscal year from its date of incorporation through December 31. An entity that merged (fusionó) or was liquidated (liquidó) during the year must file a final return for the period through the date of the merger or liquidation.

The return is required for asociaciones civiles (A.C.) and sociedades civiles (S.C.) that received income from any source during the year — including entities registered under the non-profit donataria autorizada regime with the SAT, which must file to demonstrate compliance with their authorized activities and income/expense ratios. Non-profit entities that receive income from activities not related to their authorized purpose are subject to ISR on that non-authorized income.

The declaración anual is essential for PTU calculation and compliance — the PTU owed to employees (10% of the taxable income base) is determined by the annual return, and the bases must be reported to the Inspección del Trabajo and to the employees through the Comisión Mixta de PTU. Filing the annual return is the prerequisite for calculating and paying PTU by the May 31 deadline under LFT Article 122.

For entities subject to the mandatory tax dictamen (dictamen fiscal obligatorio) under CFF Article 32-A — large taxpayers (grandes contribuyentes) with revenues exceeding MXN 1.65 billion or assets exceeding MXN 1 billion, or entities with more than 300 employees — the declaración anual must be accompanied by or linked to the Dictamen Fiscal prepared by a registered Contador Público Inscrito (CPI) and submitted through the SIPRED system.

The annual return is required for any entity seeking to obtain or renew SAT certificates (Constancia de Situación Fiscal), participate in government procurement (licitaciones públicas), apply for fiscal incentive programs (estímulos fiscales), or demonstrate tax compliance to financial institutions for credit applications, factoring arrangements, or investment from foreign partners conducting tax due diligence.

Companies operating in Special Economic Zones (Zonas Económicas Especiales — ZEEs) or benefiting from regional tax incentive decrees (Decretos de Estímulos Fiscales del Istmo de Tehuantepec, Zona Libre de la Frontera Norte) must file their annual return to document compliance with the revenue thresholds, investment commitments, and employment obligations attached to those incentive regimes — failure to file jeopardizes the company's continued eligibility for reduced ISR rates applicable under LISR Article 29 (Zona Norte) or the ZEE enabling legislation.

What to Include in Your Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales)

A complete Annual Income Tax Return for Legal Entities Mexico under LISR art. 9 and CFF art. 31 must contain the following elements to accurately calculate the ISR liability and satisfy SAT requirements.

Entity Identification: RFC of the legal entity, corporate name (denominación or razón social), tax domicile (domicilio fiscal), fiscal regime (régimen fiscal under which the entity is registered), the name and RFC of the legal representative (representante legal) authorized to file the return, and the e.firma (electronic signature) of the entity or its legal representative.

Accruable Income (Ingresos Acumulables): Total income recognized during the year under LISR accrual rules, disaggregated by type: ordinary sales income (ingresos por enajenación de bienes); services income (ingresos por prestación de servicios); interest income (ingresos por intereses); rental income (ingresos por arrendamiento); dividend income received from other entities (dividendos recibidos); gains from asset sales (utilidades en enajenación de activos); inflation adjustment income (ajuste anual por inflación acumulable) calculated per LISR Articles 44–46 on monetary liabilities in excess of monetary assets; and all other accruable items.

Authorized Deductions (Deducciones Autorizadas): All expenses deductible under LISR Articles 25–35, including: cost of goods sold (costo de ventas) calculated under LISR Article 39 using FIFO or average cost methods; salaries and wages (sueldos y salarios) and employer IMSS contributions; operating expenses (gastos de operación) supported by CFDI facturas; depreciation of fixed assets (depreciación de activos fijos) per LISR Annex deduction rates; amortization of intangible assets (amortización de activos intangibles); financial interest paid (intereses devengados) net of the inflation adjustment (ajuste anual por inflación deducible); PTU paid to employees during the year; charitable donations (donativos) to authorized donatarias up to 7% of prior-year taxable income; and transportation and vehicle expenses with applicable deductibility caps.

Fiscal Loss Carryforward (Amortización de Pérdidas Fiscales): Application of unused fiscal losses from prior years (up to 10 years back under LISR Article 57) adjusted for inflation using the INPC (Índice Nacional de Precios al Consumidor) index. The remaining unused fiscal loss balance must be disclosed.

Resultado Fiscal and ISR Calculation: Accruable income minus authorized deductions minus PTU paid = fiscal income base; minus amortized fiscal losses = resultado fiscal; times 30% ISR rate = annual ISR. Minus ISR payments made through monthly provisional pagos provisionales during the year = saldo a cargo or saldo a favor.

CUFIN and CUCA Updates: Year-end balance of the Cuenta de Utilidad Fiscal Neta (CUFIN) reflecting prior-year CUFIN balance, plus current-year resultado fiscal after ISR, minus dividends distributed from CUFIN during the year. Year-end balance of the Cuenta de Capital de Aportación (CUCA) reflecting capital contributions and reductions during the year, adjusted for inflation.

Subcontracting Compliance Disclosures: For entities that used specialized service providers under the post-2021 REPSE framework — confirmation that subcontractors were REPSE-registered, IMSS and INFONAVIT compliance certificates were obtained quarterly, and payments to non-compliant subcontractors were excluded from deductible expenses under the reformed LISR Article 27 fraction V.

Forms-legal.com provides this Annual Income Tax Return — Legal Entities Mexico template as a preparation and reference guide. The declaración anual de personas morales must be filed electronically through the SAT Portal — entities with complex operations, multiple subsidiaries, or international transactions should engage a Contador Público Autorizado (CPA) or fiscal despacho to prepare the return within the March 31 deadline and to prepare the mandatory SIPRED dictamen fiscal if applicable.

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@misc{formslegal-annual-income-tax-return-legal-entities-mexico,
  author       = {{Forms Legal}},
  title        = {Annual Income Tax Return — Legal Entities Mexico (Declaración Anual Personas Morales) (Mexico)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/mexico/government/tax-forms/annual-income-tax-return-legal-entities-mexico}},
  note         = {Free legal document template}
}

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