Technical Committee Adopts New Customs Valuation Guidance
The committee issued a new advisory opinion to handle documentation discrepancies in the valuation of imported goods.
Updated on Oct. 26, 2026 in International Trade
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The Technical Committee on Customs Valuation has adopted Advisory Opinion 28.1 to guide how customs authorities handle imported goods when new documentation indicates a price difference from the original declaration. This decision was reached during the committee's 63rd session.
Why it matters
This new guidance provides a standardized method for customs administrations to determine transaction value when discrepancies arise, aiming to increase consistency in international trade compliance. It clarifies procedures for verifying additional documentation after initial entry declarations.
The committee's 63rd session brought together 100 delegates from 50 different Customs administrations. To date, the Technical Committee on Customs Valuation has officially adopted 105 total instruments.
The players
Technical Committee on Customs Valuation
This body operates under the World Customs Organization to promote the uniform interpretation and application of the Agreement on Implementation of Article VII of the GATT.
WCO Council
As the supreme decision-making body of the World Customs Organization, it consists of representatives from all member countries.
The details
Advisory Opinion 28.1 mandates that customs value must be determined using the transaction value method, provided the accuracy of updated documentation is fully verified. The committee reached this consensus following a three-week online discussion phase before the formal meeting.
Timeline
The 63rd session of the Technical Committee occurred from October 12 to 16, 2026.
The WCO Council is scheduled to consider approval for Advisory Opinion 28.1 in June 2027.
Market Dynamics
This adoption follows the standards set by the Agreement on Implementation of Article VII of the General Agreement on Tariffs and Trade. It functions as a regulatory update that extends the agreement by refining how officials navigate price discrepancies in global supply chains.
For stakeholders involved in global supply chains, this guidance clarifies the documentation requirements necessary to avoid valuation disputes at customs borders. Traders should prepare for more rigorous verification processes when discrepancies in declared transaction values are identified.
The takeaway
Businesses should review their documentation practices to ensure alignment with the new transaction value verification standards. Maintaining precise records will be essential to mitigating potential valuation conflicts as customs administrations adopt these updated guidelines.
What happens next
The WCO Council will review Advisory Opinion 28.1 for formal approval in June 2027, followed by publication in the Customs Valuation Compendium.
Further reading
Learn more about evolving global trade standards at the International Trade section.
Source note: This article includes information reported by Wcoomd.
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