World · Mexico · Questions

Requesting public information in Mexico

Mexico's General Law on Transparency and Access to Public Information (2025) lets anyone request information from public bodies, parties, unions and others that receive public money. Requests go to each body's transparency unit, usually through the National Transparency Platform. The 2025 law transferred the functions of the former INAI to Transparencia para el Pueblo, part of the Secretariat of Anti-corruption and Good Government, which hears federal appeals.

What it publishes

• The National Transparency Platform for requests, appeals and tracking.
• Information that bodies must publish without a request, such as salaries, contracts and budgets.
• The text of the General Transparency Law.

Key datasets

• National Transparency Platform
  Make requests and search published obligations.
  Updated: Continuous
• General Transparency Law (2025)
  Full text of the law.
  Updated: As amended

APIs and downloads

• National Transparency Platform
  Search and download published transparency obligations.

When it publishes

Under article 134 of the law a reply is due within 20 days, extendable once by up to 10 days with reasons approved by the body's Transparency Committee. A review appeal can be filed within 15 days of the reply (article 144) and the guarantor authority decides within 40 days, extendable by 20 (article 148).

How to use it to check a claim

1. Check whether information was refused as reserved or confidential, and the legal basis cited.
2. State bodies have their own local guarantor authorities for appeals.
3. For companies, Mexico's Public Registry of Commerce is searchable through the Ministry of Economy's SIGER system.

Common mistakes

• Citing INAI as the appeal body; its functions passed to Transparencia para el Pueblo under the 2025 law.

How long does a body have to reply?

Twenty days from the day after the request, extendable once by up to ten days with reasons approved by the body's Transparency Committee (article 134).

Links checked 14 October 2026. This page describes what the source publishes and gives no verdict on any claim.