Tax / SAT B2B

What is the Constancia de Situación Fiscal and what is it for?

The Constancia de Situación Fiscal (Tax Status Certificate) is a fundamental document in Mexico's tax system. Issued by the Servicio de Administración Tributaria (SAT), this document has an essential purpose: to provide relevant information about a person's or entity's tax status to authorities and third parties. Here we go into more detail about what the Constancia de Situación Fiscal is and what it's used for:


screenshot-step-1-what-is-the-tax-status-certificate-and-what-is-it-for

What is the Constancia de Situación Fiscal?

As mentioned above, the Constancia de Situación Fiscal is a document issued by the SAT in Mexico. This document provides information about a taxpayer's status regarding their tax obligations (their taxes). It includes relevant data such as the tax regime they're registered under (if you're not familiar with this, read this blog post), their RFC (Federal Taxpayer Registry), whether they're current on their tax payments, whether they have outstanding tax debts, and other details related to their tax situation.

What is the Constancia de Situación Fiscal used for?

Requirement for transactions and business:

The Constancia de Situación Fiscal is a requirement in many transactions and business dealings. Some examples include applying for credit, participating in public tenders, notarial procedures, contracting with government entities, and more. Companies and individuals looking to establish business relationships with others often require this document as part of their due diligence requirements.

Compliance with tax obligations:

For tax authorities, this certificate is a tool for monitoring and verifying compliance with tax obligations. It makes it possible to determine whether a taxpayer has filed their tax returns on time and paid the corresponding taxes.

Identifying tax risks:

The Constancia de Situación Fiscal is also used to identify taxpayers who may pose tax risks, such as those with outstanding debts or who are being audited.

Validating professional licenses:

For professionals and service providers, the certificate is necessary to validate their professional license with government entities and clients, ensuring the professional is current on their tax obligations.

Controlling labor outsourcing:

In the labor context, the Constancia de Situación Fiscal is used to verify the tax status of companies that outsource personnel. This measure aims to prevent tax evasion and ensure employees receive their legal benefits.

Access to tax benefit programs:

Some tax benefit programs, such as those related to investment and incentives for certain sectors, may require participants to have an up-to-date Constancia de Situación Fiscal.

It's essential to file tax returns on time and meet all tax obligations to keep this document up to date and reflect a healthy tax status. If you want to view and download your Constancia de Situación Fiscal, you can do so here.

ZUMMA PARA NEGOCIOS

Automate invoices on WhatsApp with Zumma.

Centralize your collections and save hours of operational work in the conversation your customers already use.

Start for free →

© 2026 Zumma. All rights reserved.

*Tuzumma Asesor en Inversiones Independiente, S.A.P.I. de C.V. ("Zumma") is an independent investment advisor registered with the National Banking and Securities Commission ("CNBV") of the United Mexican States under registration number 30184-001-(16375)-08/18/2023.

The Commission exclusively supervises the provision of securities portfolio management services when investment decisions are made on behalf of and for the account of third parties, as well as services consisting of providing investment advice on securities, analysis, and the issuance of individualized investment recommendations. Therefore, it has no authority to supervise or regulate any other service provided by Investment Advisors.

Registration in the Registry of Investment Advisors maintained by the Commission under the Securities Market Law does not imply that Investment Advisors adhere to the provisions applicable to the services provided, nor the accuracy or truthfulness of the information provided.

Privacy NoticeTerms and Conditions