06/17/2026
Mexico is now enforcing new customs declaration requirements that require importers to electronically submit detailed documentation for every shipment, including invoices, proof of payment, certificates of origin, and other supporting records. Incomplete or inaccurate filings can lead to delays, fines, and added complexity at the border.
As cross-border trade continues to grow and regulations evolve, companies that prioritize planning and partner with experienced logistics providers will be better positioned to navigate change with confidence.
At A.N. Webber Logistics, we understand that cross-border shipping is about more than transportation. It requires coordination, attention to detail, and proactive planning every step of the way to keep freight moving efficiently.
https://www.supplychainbrain.com/articles/44156-importers-into-mexico-can-no-longer-delay-complying-with-new-customs-declaration-law
July 31 is the date on which Mexico begins enforcement of a comprehensive mandatory reporting law for all imports.