April 29, 2026

Mandatory Starting December 9 Effective December 9, 2025 , Mexico’s Manifestación de Valor (MV) transitions from a paper or internal record to a mandatory electronic filing before customs clearance . This change, established under the General Rules of Foreign Trade (RGCE) 2025 , is designed to improve transparency, combat undervaluation, and modernize Mexico’s customs processes. At Nuvocargo , we know this new regulation can feel complex for importers. That’s why we’ve created this comprehensive, easy-to-understand guide,based on official government sources,to help you stay compliant and ahead of the curve. What Is the Manifestación de Valor? The Manifestación de Valor is a sworn declaration (“bajo protesta de decir verdad”) that importers must submit to Mexico’s customs authorities to declare the commercial value of imported goods . It ensures that the declared value matches the real transaction value and that import taxes are calculated correctly. Legal basis: Article 59, Section III of the Customs Law (Ley Aduanera) and Article 81 of its Regulations . Each MV must include: Transaction value (price paid) Incremental costs (freight, insurance, royalties, commissions, etc.) Supporting documentation: commercial invoice, proof of payment, contracts, packing list, and more. What Changes on December 9, 2025? What Changes on December 9, 2025? Starting December 9: The MV must be filed electronically through Mexico’s VUCEM portal: www.ventanillaunica.gob.mx Physical or alternative submissions will no longer be accepted. The new E2 digital format from Annex 1 of RGCE 2025 becomes mandatory. The e-document generated must be declared in the import entry (pedimento) . The importer may authorize their customs broker (by RFC) to access and download the MV and attachments. Important: According to the Fifth Transitory Article of the RGCE 2025, this obligation became enforceable 90 days after the E2 format was published on VUCEM (August 1, 2025) , making December 9, 2025 the official start date. Who Must Comply? All importers (individuals or legal entities) who carry out import operations into Mexico. Customs brokers and legal representatives must ensure compliance on behalf of their clients. Applies only to imports , not exports. Exceptions: Rule 1.5.1, Section VII of RGCE 2025 outlines specific cases where the E2 MV is not required (e.g., certain returns of previously exported goods, or OEA/IMMEX-certified companies in temporary import regimes). What You Need to Comply Essential checklist: A valid e.firma (digital signature) issued by SAT. Active registration on VUCEM. Supporting documentation: Commercial invoice. Purchase contract or order. Proof of payment. Freight, insurance, and royalty invoices. Packing list (if applicable). Familiarity with the E2 electronic format. Learn more about The Trade Shift No One Wanted, But Everyone Must Prepare For: Customs & Supply Chain Strategies to Minimize the Impact of 25% Tariffs.
VUCEM will issue an acknowledgment receipt (acuse) with a unique e-document folio, which must be declared in the pedimento before customs clearance.
The new electronic Manifestación de Valor marks a major milestone in Mexico’s push toward smarter, more transparent trade compliance. Beyond a simple paperwork change, this regulation will shape how companies manage valuation and documentation across borders.
At Nuvocargo, we’re helping importers navigate these regulatory changes with clarity and confidence. Our team of trade compliance experts can help you implement the new MV workflow seamlessly,avoiding delays, reducing risk, and keeping your business moving.
Contact Nuvocargo today to learn how we can help your company stay compliant, efficient, and ahead of every customs requirement.