Key Tax Changes for Mexican Retailers Under the 2026 Miscellaneous Tax Resolution (RMF)

Inflation adjustments will increase fines and lower audit thresholds, raising compliance risks and costs for retailers.
Retailers can now authorize third parties to access their tax compliance opinions, increasing transparency but requiring a clean tax record.
New rules for hydrocarbon and petroleum retailers require explicit acceptance of invoice cancellations, adding administrative burdens.
Retailers selling nicotine products, flavored beverages, or involved in betting/raffles face new reporting and tax calculation requirements.
Digital marketplaces must provide detailed transaction data to tax authorities, increasing oversight; retailers must update processes to comply with stricter regulations.

Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.