Mexico | Financial Regulation. November 2025

Summary

We present a summary and analysis of the most relevant developments and publications in Mexico's financial regulatory landscape.

Key points

• Key points:
• The National Banking and Securities Commission (CNBV) submits for public consultation a series of adjustments to its Large Exposures regime for banks.
• Bank of Mexico (Banxico) and the CNBV present a proposal to overhaul payment networks' regulation, with an emphasis on guaranteeing interoperability and placing a cap on interchange fees.
• Banxico: public consultation on changes to its Total Annual Cost (CAT) rules.
• The Chamber of Deputies has introduced a bill to strengthen cardholder protections in the Law on Transparency and Regulation of Financial Services.

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