Operations October 5, 2026
Glosa, amendment and complementary pedimento: what each one is and which applies to you
Three post-clearance procedures in Mexican customs that get mixed up all the time. Who starts each one, what it's for, what risk it carries, and how to tell which one your situation calls for.
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Compliance September 15, 2026
Registering on Mexico's Importer Registry: the requirements that actually stop you
The application is free, online and resolved in business days. What stops it is almost never the form: it's the tax address, the compliance opinion or shareholders never updated. What to have ready before you apply.
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Programs August 14, 2026
VAT and IEPS certification: the credit that decides an IMMEX operation's cash flow
Holding an IMMEX program doesn't exempt you from VAT on temporary imports. The three ways out — pay and recover, guarantee, or certify — what SAT really looks at, how the Annex 31 credit account works, and when certification isn't worth it.
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Compliance July 14, 2026
Mexico importer registry suspension: causes, reactivation and how to prevent it
A suspension from Mexico's Importer Registry can stop customs clearance and add storage costs. Learn common causes, how to reactivate it and how to prevent another interruption.
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Programs June 15, 2026
AEO in Mexico: what the Authorized Economic Operator is and when it pays off
Mexico's OEA (AEO) certification cuts physical inspections, grants express lanes and international recognition (C-TPAT, EU AEO). What it is, the SAT's requirements, the real benefits, and when it's worth it for an importing SME.
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Compliance June 15, 2026
Sector-specific importer registry: why your general registry isn't enough
Being on Mexico's Importer Registry isn't enough if your goods are in Annex 10: steel, textiles, footwear and chemicals require a separate sector registry. What it is, which sectors it covers, and why a suspension freezes your container.
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Operations June 8, 2026
Carta Porte 3.1: what it is, who issues it, and the penalties for getting it wrong
Mexico's Carta Porte 3.1 complement is the only valid version and mandatory since July 2024. What it covers, who must issue it, how it cross-checks against your import entry, and the SAT penalties for errors.
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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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Operations May 18, 2026
Mexican customs clearance step by step: from Bill of Lading to released entry
Exactly what happens between your goods arriving at port and leaving customs. Documents, typical timelines, the random selection mechanism, and where operations actually get stuck.
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