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 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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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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