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IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS)

IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS)

DECLARACIÓN DE NO ADEUDO AL INSTITUTO MEXICANO DEL SEGURO SOCIAL

Certificado de Cumplimiento de Obligaciones en Materia de Seguridad Social

Ley del Seguro Social — Artículo 287

[Issue City], a [Issue Date]

I. DATOS DEL PATRÓN

Razón Social: [Employer Name]

RFC: [Employer RFC]

Registro Patronal IMSS: [Registro Patronal]

Domicilio Fiscal: [Employer Address]

Representante Legal: [Legal Representative]

Identificación Oficial: [Representative ID]

II. DECLARACIÓN DE NO ADEUDO

El suscrito, [Legal Representative], en mi carácter de representante legal de [Employer Name], bajo protesta de decir verdad, DECLARO que:

1. La empresa [Employer Name], con RFC [Employer RFC] y Registro Patronal IMSS [Registro Patronal], se encuentra al corriente en el pago de todas las cuotas obrero-patronales devengadas durante el período comprendido del [Period From] al [Period To], correspondientes a [Number of Workers] trabajadores registrados ante el Instituto Mexicano del Seguro Social (IMSS).

2. No existen créditos fiscales pendientes a favor del IMSS conforme al Artículo 287 de la Ley del Seguro Social (LSS), ni procedimientos de ejecución (procedimiento económico-coactivo) activos en contra del patrón.

3. El último pago de cuotas obrero-patronales bimestrales ante el IMSS fue realizado a través del Sistema Único de Autodeterminación (SUA) con fecha [Last SUA Payment Date], correspondiente al [Last Bimester] del ejercicio en curso.

4. Todas las altas (registros), modificaciones salariales y bajas de trabajadores han sido notificadas al IMSS de manera oportuna conforme al Artículo 15 de la Ley del Seguro Social.

5. El Salario Diario Integrado (SDI) registrado ante el IMSS para cada trabajador refleja correctamente el salario base más la proporción de prestaciones periódicas, conforme al Artículo 84 de la Ley Federal del Trabajo y el Artículo 27 de la LSS.

III. PROPÓSITO Y DESTINATARIO

La presente declaración se expide para: [Certificate Purpose]

Dirigida a: [Recipient Name]

Esta declaración tiene una vigencia de treinta (30) días naturales a partir de su fecha de expedición. Se recomienda solicitar la Opinión de Cumplimiento de Obligaciones Fiscales en Materia de Seguridad Social a través del portal IMSS Digital para obtener el certificado oficial con sello digital del IMSS.

IV. FUNDAMENTO LEGAL

La presente declaración se emite al amparo de la Ley del Seguro Social (LSS) Artículos 287 a 290, el Código Fiscal de la Federación (CFF), y la Ley de Instituciones de Seguros y de Fianzas (LISF), siendo consciente el suscrito de que la presentación de información falsa puede constituir defraudación fiscal bajo el Artículo 108 del CFF.

Atentamente,

_________________________

[Legal Representative]

Representante Legal de [Employer Name]

RFC del Patrón: [Employer RFC]

Registro Patronal IMSS: [Registro Patronal]

ID: [Representative ID]

Sello de la empresa: _________________________

Representante Legal del Patrón (Legal Representative)

________________

Signature

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What Is a IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS)?

An IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo al Instituto Mexicano del Seguro Social) is an official document issued by the Instituto Mexicano del Seguro Social (IMSS) — or a formal request and supporting self-declaration letter prepared by the employer — certifying that the employer (patrón) has no pending social security contribution debts (cuotas obrero-patronales) or fiscal credits (créditos fiscales IMSS) outstanding with the IMSS. The certificate confirms compliance with contribution obligations under the Ley del Seguro Social (LSS) and its associated regulations.

The legal authority for IMSS fiscal credits is established in Articles 287 through 290 of the Ley del Seguro Social, published in the Diario Oficial de la Federación on 21 December 1995. Article 287 LSS establishes that unpaid IMSS contributions and penalties constitute fiscal credits (créditos fiscales) in favor of the IMSS, recoverable through the procedimiento económico-coactivo (administrative enforcement proceedings) provided in the Código Fiscal de la Federación (CFF). Article 288 LSS grants the IMSS preferential lien status (prelación) over employer assets for unpaid contributions — meaning that IMSS debts take priority over most other creditors in insolvency and asset transfer proceedings.

The IMSS issues its official certificate of fiscal compliance (opinión de cumplimiento de obligaciones fiscales en materia de seguridad social) through its portal digital (IMSS Digital / IDSE — Instituto Mexicano del Seguro Social Digital), accessible via the employer's e-firma (firma electrónica avanzada) credentials issued by the SAT (Servicio de Administración Tributaria). The certificate, known informally as the opinión positiva del IMSS, confirms that the employer's social security accounts are current as of the date of issuance and that no enforceable fiscal credits are registered in the IMSS electronic database (Sistema Integral de Derechos y Obligaciones — SINDO).

The Certificado de No Adeudo is closely related to but distinct from the SAT's Opinión de Cumplimiento de Obligaciones Fiscales (32-D CFF) — the SAT certificate covers federal tax obligations (ISR, IVA, and other federal taxes), while the IMSS certificate specifically addresses social security contributions (cuotas obrero-patronales) calculated on the Salario Diario Integrado (SDI) of all registered workers. Both certificates are typically required together in major commercial transactions, public procurement bids, and financial credit applications.

The Instituto del Fondo Nacional de la Vivienda para los Trabajadores (INFONAVIT) issues a parallel certificate — the Opinión de Cumplimiento INFONAVIT — confirming that the employer has made all required INFONAVIT housing fund contributions of 5% of each worker's SDI under Article 29 of the Ley del INFONAVIT. In practice, contracting parties and financial institutions often require both the IMSS and INFONAVIT compliance certificates together as a package of social security good-standing documentation.

For publicly traded companies (emisoras) regulated by the Comisión Nacional Bancaria y de Valores (CNBV) under the Ley del Mercado de Valores (LMV), compliance with IMSS contribution obligations forms part of the material disclosures in prospectuses (prospectos de colocación) and annual reports (informes anuales), since IMSS fiscal credits with preferential lien status can materially affect asset values and investor risk assessment. Employers undergoing due diligence for private equity investment or venture capital funding in Mexico are routinely required to produce IMSS compliance certificates as part of the financial data room documentation.

The IMSS Certificado de No Adeudo also interacts with the SAT's Buzón Tributario notification system — employers who receive IMSS audit notifications (requerimientos de auditoría del IMSS) through the electronic mailbox have a limited window to regularize outstanding contributions and obtain a positive certificate before the IMSS initiates the procedimiento administrativo de ejecución. Understanding the interplay between the IMSS SINDO database, the SAT's fiscal credit registry, and the CFF enforcement timeline is critical for employers managing their social security compliance position across multiple registro patronal numbers or multiple legal entities within a corporate group.

When Do You Need a IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS)?

An IMSS Certificate of No Outstanding Contributions Mexico is needed in a wide range of commercial, administrative, and financial contexts where counterparties or authorities require assurance that the employer is current on social security obligations.

Company acquisitions and business sales (compraventas de empresa or negocio en marcha) require IMSS compliance certification as part of the legal due diligence process. Under Article 288 of the Ley del Seguro Social, the purchaser of a business (adquirente) assumes joint liability (responsabilidad solidaria) for unpaid IMSS contributions accrued before the sale unless the IMSS expressly certifies that no debts exist at the time of transfer. Without the IMSS certificate, a buyer may inherit significant hidden IMSS liabilities with preferential creditor status that can exceed the value of the assets acquired. The same principle applies to corporate mergers (fusiones) and spin-offs (escisiones) under the Ley General de Sociedades Mercantiles (LGSM).

Public procurement tenders (licitaciones públicas) under the Ley de Adquisiciones, Arrendamientos y Servicios del Sector Público (LAASSP) and the Ley de Obras Públicas y Servicios Relacionados con las Mismas (LOPSRM) require all bidders to present current IMSS and INFONAVIT compliance certificates as part of the technical qualification documents (documentación legal y administrativa). Federal and state government contracting entities (dependencias y entidades) verify IMSS status through the CompraNet electronic procurement platform, and bids lacking valid certificates are disqualified without further evaluation.

Bank credit applications (solicitudes de crédito bancario) to institutions regulated by the CNBV under the Ley de Instituciones de Crédito (LIC) typically require IMSS and INFONAVIT compliance certificates as part of the financial due diligence package for business loans, credit lines, and factoring facilities. SOFOMES (Sociedades Financieras de Objeto Múltiple) and development bank programs — NAFIN, BANCOMEXT, FIRA — also require these certificates for credit eligibility assessments.

Industrial park leases and commercial real estate contracts in Mexico frequently require tenants to provide IMSS compliance certificates before signing lease agreements, as landlords seek to confirm that tenants will not create IMSS-related liabilities associated with the leased premises. Real estate developers offering nave industrial and bodega space in Monterrey, Guadalajara, and Tijuana industrial corridors routinely include IMSS certificate provisions in their lease standard terms.

The certificate is also needed for employers seeking to participate in government certification programs — such as the Distintivo ESR (Empresa Socialmente Responsable), IMSS quality certifications, and STPS workplace safety certifications — where social security compliance is a threshold eligibility requirement. Suppliers to major Mexican corporations and multinational companies operating in Mexico are increasingly required to provide annual IMSS compliance certificates as part of vendor qualification and supply chain due diligence programs.

What to Include in Your IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS)

An IMSS Certificate of No Outstanding Contributions Mexico and the supporting employer request letter must contain the following essential elements to be accepted by counterparties, financial institutions, and government entities in Mexico.

Employer Identification: Full corporate name (razón social), RFC (Registro Federal de Contribuyentes), IMSS employer registration number (registro patronal), registered address (domicilio fiscal), and contact information of the employer requesting the certificate. For multiple-location employers, all relevant registro patronal numbers should be listed, since IMSS tracks contribution obligations separately per registration.

Request for Official IMSS Certificate: The formal request to the IMSS Zone Office (Subdelegación del IMSS) or through IMSS Digital for issuance of the official Opinión de Cumplimiento de Obligaciones Fiscales en Materia de Seguridad Social. The request must specify the period for which the certificate is requested and the commercial purpose for which it will be used.

Declaration of Contribution Status: A self-declaration by the employer confirming that all bimonthly (bimestral) IMSS quotas (cuotas obrero-patronales) have been calculated on the correct Salario Diario Integrado (SDI) for all registered workers and paid through the Sistema Único de Autodeterminación (SUA) system, that all worker alta (registration) and baja (deregistration) notifications have been filed timely under Article 15 LSS, and that no proceedings under the procedimiento económico-coactivo are pending.

Period Covered and Currency Date: The specific period (bimesters or fiscal year) for which the certificate is requested, and the date as of which the no-debt status is confirmed. IMSS certificates are typically valid for thirty to ninety days from issuance — counterparties should request certificates issued within thirty days of the anticipated closing or filing date.

SUA Payment Evidence: Reference to the most recent SUA payment receipts (acuses de pago) confirming that the current and preceding bimestral quotas have been paid, as supporting documentation for the certificate request. Maintaining these payment records is essential for rapid certificate issuance through IMSS Digital.

Digital Signature: For official IMSS-issued certificates obtained through IMSS Digital, the certificate carries the IMSS institutional digital signature (sello digital del IMSS) and a folio number traceable in the SINDO system. For employer-prepared supporting letters, the letter should be signed by the legal representative with an attached copy of the poder notarial granting signing authority.

Forms-legal.com provides this IMSS Certificate of No Outstanding Contributions Mexico template as a practical guide for employers preparing the supporting documentation for the official IMSS certificate request process. The official certificate (Opinión de Cumplimiento) can only be issued by the IMSS through its digital platform — this template assists in preparing the request letter and supporting declarations. For complex employer situations involving multiple legal entities, pending IMSS reviews, or corporate transactions, consultation with a licensed contador público (CPA) registered with the IMCP or an abogado fiscalista specializing in seguridad social obligations under the Ley del Seguro Social is strongly recommended.

Validity Period and Renewal Timing: The official IMSS Opinión de Cumplimiento is typically valid for thirty calendar days from the date of issuance. For transactions with staggered closing timelines — such as mergers requiring COFECE (Comisión Federal de Competencia Económica) authorization that extends the closing period — parties should coordinate certificate refresh dates to ensure no gap in validity between signing and closing. Public procurement bids submitted through the CompraNet platform automatically validate the certificate's digital folio number against the IMSS SINDO database at the time of bid submission, so a certificate that expires between bid submission and contract award requires renewal. Employers with multiple registro patronal numbers across different IMSS zone offices (subdelegaciones) should note that each certificate is issued and validated independently — a clean certificate for one registro patronal does not cover obligations registered under a different number.

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Forms Legal. (2026). IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS) (Mexico) [Legal document template]. Forms Legal. https://forms-legal.com/mexico/government/declarations/imss-certificate-no-outstanding-contributions-mexico

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"IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS) (Mexico)." Forms Legal, 2026, https://forms-legal.com/mexico/government/declarations/imss-certificate-no-outstanding-contributions-mexico.

BibTeX
@misc{formslegal-imss-certificate-no-outstanding-contributions-mexico,
  author       = {{Forms Legal}},
  title        = {IMSS Certificate of No Outstanding Contributions Mexico (Certificado de No Adeudo IMSS) (Mexico)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/mexico/government/declarations/imss-certificate-no-outstanding-contributions-mexico}},
  note         = {Free legal document template}
}

Frequently Asked Questions

Statute-referenced template — Template last modified June 2026

This template is provided for informational purposes only and does not constitute legal advice. Laws vary by jurisdiction and change over time. Consult a qualified attorney for advice specific to your situation.Full disclaimer

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