Compliance October 12, 2026
Customs value in Mexico: what gets added to the invoice price, and what comes off
Your invoice is not your duty base. Which costs Mexican customs adds to the price to reach the customs value (incrementables), which ones can be deducted (decrementables), how the Incoterm changes the math, and a worked example.
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Operations September 22, 2026
What your commercial invoice must include to import into Mexico (and what the law doesn't ask for but customs needs)
Your supplier issues the invoice, but you answer for it. The minimum data Mexico's rules require, what isn't mandatory but supports your customs value, where suppliers go wrong, and a checklist to send them before shipment.
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Compliance September 21, 2026
Mexico's 2027 customs reform: the initiative that removes the 50% undervaluation margin
Alongside Mexico's 2027 Economic Package, a Customs Law reform went to Congress: seizure on any value gap against identical or similar goods, an infraction presumption from 20%, and mandatory verification. What would change and what to review now.
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Compliance September 1, 2026
Mexico's Customs Law Regulations changed too: what moved in the fine print
All the attention went to the Customs Law reform, but the Regulations were amended separately — and that's where the operational detail lives: digital requirements to operate at all, prevalidation duties, the customs agency as a regulated party, and more grounds to reject declared value.
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Compliance August 26, 2026
Mexico's electronic value declaration starts October 1: what you transmit, what you don't
The same resolution that postponed the MVE brought documentary relief through December 31, 2026: not everything gets transmitted, and contracts can be summarized. What each relief means and what to have ready before October.
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Operations August 6, 2026
Samples and goods of "no commercial value": why that phrase exempts you from nothing
Declaring a sample as "no commercial value" doesn't make it free or keep it off the entry. What a sample is to Mexican customs, how it gets a value, and where sample shipments get stuck.
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Operations July 6, 2026
Import taxes in Mexico: IGI, DTA, VAT and prevalidation (what you actually pay)
Importing isn't just paying the tariff. The customs entry also adds the IGI, the DTA, VAT, prevalidation and sometimes IEPS or antidumping duties. We break down each item and how the real cost of your operation is calculated.
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Compliance June 5, 2026
Undervaluation: why declaring a low customs value backfires badly (and how the SAT catches it)
Declaring a lower customs value than the real one is one of the SAT's priority enforcement targets. How it's detected, what precautionary seizure and PAMA are, what estimated prices mean, and how to make your declared value hold up.
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Compliance May 27, 2026
Electronic customs value declaration: postponed to October 1, 2026 — what to do now
Mexico's MVE was postponed again: it becomes mandatory via VUCEM on October 1, 2026 (fourth extension, published July 31). What it is, who's responsible, how customs value is determined, and what to do with the extra time.
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