On May 11, 2026, the RCEP ASEAN Secretariat officially released the "Guidelines for Accessing Digital Declarations of Origin (e-CO)," clarifying that from July 1, 2026, all enterprises applying for RCEP tariff reductions through China-ASEAN cross-border B2B trade must have an automatic digital declaration of origin generation function that conforms to the ISO 19005-3 (PDF/A-3) standard on their official websites. This requirement directly impacts specific sectors such as manufacturing, cross-border e-commerce service providers, foreign trade integrated industrial and trading enterprises, and supply chain digital service providers engaged in exports to ASEAN, marking the evolution of corporate websites from information display platforms to credible trade nodes with legal validity and customs mutual recognition capabilities.

Event Overview

On May 11, 2026, the RCEP ASEAN Secretariat issued the "Guidelines for Accessing Digital Declarations of Origin (e-CO)". The guidelines stipulate that, starting July 1, 2026, all companies applying for tariff reductions in China-ASEAN B2B trade under the RCEP agreement must integrate a function to generate digital declarations of origin in PDF/A-3 format on their official websites. The generated documents must include a valid digital signature, a trusted timestamp, and customs authorization key authentication to ensure the content is tamper-proof. This function must allow users to export compliant electronic documents with a single click.

Which sub-sectors will be affected?

Direct trading enterprises

Manufacturing-oriented foreign trade enterprises that primarily engage in self-operated exports (such as manufacturers of home appliances, machinery, and textiles) will be directly affected by this technical requirement. If their official websites cannot be upgraded to be PDF/A-3 compatible by July 2026, their e-COs may not be recognized by the ASEAN customs system, thereby losing their eligibility for tariff preferences under the RCEP.

Processing and manufacturing enterprises

Enterprises engaged in processing with supplied materials, processing with imported materials, or operating under a "two-ends-outside" model must use their own official website as the issuing entity for e-CO if their exported goods are declared as having the country of origin in their own name. Existing ERP or order systems that are not integrated with the official website for PDF/A-3 generation will face the risk of disruption in the declaration process.

Channel distribution enterprises

Freight forwarding companies and foreign trade comprehensive service enterprises (comprehensive service enterprises) engaged in distribution, consolidation, and entrepot trade between China and ASEAN must also have their service platforms meet the same technical specifications if they apply for certificates of origin for downstream clients in their own name. Currently, most SaaS-based foreign trade service platforms have not publicly disclosed their progress in PDF/A-3 adaptation.

Supply chain service companies

Service providers offering rules of origin consultation, AEO certification guidance, and digital customs system deployment need to quickly update their technical solution list and include PDF/A-3 signature engines, customs key docking modules, and timestamp service integration capabilities in their standard delivery scope.

What key areas should relevant enterprises or practitioners focus on, and how should they respond at present?

Pay attention to subsequent official statements or policy changes.

The current guidelines are issued by the RCEP ASEAN Secretariat, but specific implementation details (such as the customs key distribution mechanism, the list of pilot countries, and transitional arrangements) have not yet been released. Enterprises should continuously monitor announcements on the official websites of the General Administration of Customs of China, the Ministry of Commerce, and the customs authorities of ASEAN countries, paying particular attention to whether supplementary explanations will be issued before June 2026.

Focus on changes in key product categories and key markets

Although the guidelines do not limit the scope of applicable goods, categories of goods that have seen significant tariff reductions by China on ASEAN countries under the RCEP and that frequently apply cumulative rules of origin (such as electronic components, photovoltaic modules, and processed agricultural products) are more likely to be the first to be inspected; member countries with higher levels of RCEP electronic customs clearance, such as Vietnam, Thailand, and Malaysia, may be the first to implement this requirement.

Distinguishing between policy signals and actual business implementation

This guideline pertains to technical access and does not alter the RCEP rules of origin themselves, nor does it replace paper Certificates of Origin (COs) or traditional electronic COs (such as those issued through the China International Trade Single Window). Companies can still apply through existing channels, but if they choose to issue e-COs via their own official website, they must meet the mandatory PDF/A-3 requirements. Whether or not to use the official website for issuance is a company's discretion, but once enabled, compliance is mandatory.

Prepare for system adaptation and key integration in advance.

Enterprises should assess the technical architecture of their official websites: if using static HTML, they need to upgrade to a CMS or custom-developed module that supports server-side PDF generation and digital signatures; if using a third-party website building platform, they need to confirm whether it has passed the RCEP ASEAN Secretariat technical certification. At the same time, at least four weeks should be allocated to complete customs key application, test environment integration, and internal operation training.

Editor's Viewpoint / Industry Observation

Observably, this guideline functions primarily as a technical readiness signal—not an immediate enforcement mandate. It reflects the ASEAN Secretariat's push toward interoperable digital trade infrastructure, but actual customs-level acceptance will depend on bilateral system integration progress between China and individual ASEAN members. Analysis shows that the requirement targets process efficiency rather than compliance burden: PDF/A-3 ensures long-term archival integrity and cross-system rendering consistency, which matters for audit trails and dispute resolution. From an industry perspective, it is better understood as a staged evolution of B2B digital trust—where enterprise websites gradually assume verified data issuance roles previously reserved for government platforms.

Conclusion

This guideline is not a universally mandatory requirement for all foreign trade enterprises, but rather a technical threshold set for those choosing the specific path of issuing digital declarations of origin through their own official websites. Its industry significance lies in promoting the extension of enterprises' digital infrastructure from the "display layer" to the "transaction layer," and forcing B2B systems to align with the underlying capabilities of international trade rules. Currently, it is more appropriate to understand it as a preliminary guideline for the technical preparation period, rather than an immediate basis for regulatory penalties; enterprises should adapt based on the principles of "usability, credibility, and verifiability," avoiding excessive investment or passive waiting.

Information source explanation

Primary source: The "Guidelines for Accessing Digital Declarations of Origin (e-CO)" published on the official website of the RCEP ASEAN Secretariat (public document released on May 11, 2026). Sections to be continuously monitored: Specific implementation rules, key management mechanisms, transitional arrangements, and initial pilot arrangements for the guidelines issued by the General Administration of Customs of China and the customs authorities of each ASEAN member state.