COFEPRIS
Mexico's Federal Commission for Protection against Health Risks, the regulator for clinical trials and marketing authorizations.
Short answer
COFEPRIS is Mexico's health regulator. Every document it reviews — clinical trial protocols, informed consent forms, investigator brochures, CMC sections, labeling, and correspondence — must be submitted in Mexican Spanish. Documents that carry legal weight outside Mexico (certificates of free sale, GMP certificates, notarized agreements) additionally need a perito traductor translation and, for foreign-issued originals, an apostille on the source document.
What it means
COFEPRIS (Comisión Federal para la Protección contra Riesgos Sanitarios) is Mexico's health regulator. It authorizes clinical trials and reviews marketing authorization dossiers. All submissions must be in Mexican Spanish, including protocols, informed consent forms, and regulatory correspondence.
Why it matters for LATAM submissions
COFEPRIS uses a formal requerimiento process. Translation errors that trigger a requerimiento reset the review clock, so country-specific terminology and complete certification matter.
Submission language rules
COFEPRIS accepts Spanish only. There is no English-tolerated annex, and a bilingual side-by-side layout does not substitute for a Spanish version.
- Protocol, protocol amendments, and the investigator brochure: full Mexican Spanish translation.
- Informed consent forms: Spanish written for a lay reader, aligned with NOM-012-SSA3-2012 content requirements and the reviewing ethics committee's template.
- Legal and administrative certificates issued abroad: perito traductor translation, with the apostille applied to the original before translation.
- Terminology must follow Mexican usage, not neutral or Iberian Spanish — 'ensayo clínico', 'consentimiento informado', 'expediente', 'trámite'.
- Requerimientos (deficiency letters) are issued in Spanish and answered in Spanish; the response clock restarts on submission, so avoidable language findings cost calendar time.
How translation errors surface in the review
COFEPRIS reviewers cite language problems as formal deficiencies rather than editorial comments. The three recurring categories are inconsistent terminology across the dossier, consent language written above the local reading level, and mismatch between the certified translation and the legalized original.
- Terminology drift between protocol, consent, and case report forms.
- Consent text that translates literally from English and reads as coercive or unclear.
- A certificate whose apostille names one entity while the translation names another.
Document checklist
| Document | Language / certification requirement |
|---|---|
| Clinical trial protocol and amendments | Mexican Spanish, terminology locked against a project glossary |
| Investigator brochure | Mexican Spanish; safety terminology consistent with the protocol |
| Informed consent form / assent | Mexican Spanish, lay register, NOM-012 content elements present |
| Certificate of free sale / GMP certificate | Apostille on the original, then perito traductor translation |
| Power of attorney and legal representation documents | Notarized, apostilled, perito traductor translation |
| Labeling, IFU, and packaging text | Mexican Spanish, aligned with approved product information |
| Correspondence and requerimiento responses | Spanish; cite the same terminology used in the original dossier |
Frequently asked questions
Does COFEPRIS accept documents in English?
No. Submissions are made in Spanish. English source documents are accepted only as supporting originals attached to a Spanish translation, never in place of one.
When is a perito traductor required?
For documents with legal effect — foreign public documents, notarized instruments, certificates of free sale, GMP certificates, and powers of attorney. Scientific dossier content does not require a perito traductor, but it does require verifiable, consistent Spanish.
Does the apostille go on the original or the translation?
On the original, issued by the competent authority in the country where the document was created. The perito traductor then translates the apostilled document, apostille text included.
What is a requerimiento and how does it relate to translation?
A requerimiento is COFEPRIS's formal deficiency notice. Language findings — inconsistent terminology, missing certification, an unclear consent form — are issued as requerimientos and reset the review clock while you respond.
Is neutral Latin American Spanish acceptable?
It passes formally but reads as foreign. Ethics committees in Mexico frequently annotate consent forms written in neutral Spanish, which adds a review cycle. Mexican usage is the safer default.
Primary sources
- NOM-012-SSA3-2012 — Mexican official standard governing health research in humans, including consent content.
- Ley General de Salud, Reglamento de Investigación para la Salud — Statutory basis for COFEPRIS clinical research authorization.
- Hague Apostille Convention (Mexico, in force since 1995) — Governs legalization of foreign public documents used in Mexican filings.
Next step
Document-by-document requirements, perito traductor rules, apostille sequencing, and the deficiency patterns that delay Mexican submissions.
Read the full COFEPRIS translation requirements guideKeep going on this topic
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