CFDI 4.0
Mexico’s tax invoice XML standard certified by authorised PAC providers and verifiable through SAT.
Current version and implementation status
How to recognize the profile
Do not rely on the file extension alone. Inspect the root namespace, customization/profile identifiers, version values and authority-specific envelope.
- cfdi:Comprobante Version=4.0
- tfd:TimbreFiscalDigital
- UUID
Production validation stack
- 1CFDI XSD
Confirm that the document is well formed and structurally compatible with the intended CFDI 4.0 syntax.
- 2SAT catalogues
Apply semantic and business-rule checks rather than accepting a file merely because it parses.
- 3Tax and party rules
Validate currencies, countries, tax categories, units, payment means and other controlled values against the correct release.
- 4Digital seal and timbre
Apply the national, network or authority restrictions that narrow the base syntax.
- 5SAT status
Apply the current official validation artefact and retain an auditable result.
Common errors and corrective action
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Countries using or referencing this profile
Questions people ask
What is CFDI 4.0?
Mexico’s tax invoice XML standard certified by authorised PAC providers and verifiable through SAT.
How is CFDI 4.0 validated?
A production check normally applies CFDI XSD, SAT catalogues, Tax and party rules, Digital seal and timbre, SAT status. Local browser preflight cannot replace the official validation artefacts or authority outcome.
Which version should I use?
The current research note is: CFDI 4.0. Confirm release notes at the official source before production deployment.
Inspect and prepare CFDI 4.0 files
Invoice code-list checker
Check common currency, country, tax-category and payment-means codes.
Signature metadata inspector
Locate XML signature, certificate and digest metadata without claiming cryptographic validity.
Invoice reference and UUID checker
Check the structure and, where implemented, checksum of common fiscal invoice references such as UUID, IRN, CUFE and access keys.
Official invoice verification navigator
Identify the correct authority, reference type and official verification route for a country without pretending to perform an authority lookup.