In Vietnam – China import-export operations, one of the most crucial documents is the C/O (Certificate of Origin).

👉 However, many businesses still do not clearly understand: C/O is what? What types are there? When should it be used? 👉 If the C/O is prepared incorrectly, you may: Not receive tax incentives Have goods detained at the border gate Experience delays in customs clearance This article from Laso Logistics will help you fully understand everything about C/O in a simple and applicable way. 📌 What is a C/O? C/O (Certificate of Origin) is a document certifying the origin of goods, confirming that the goods were produced in a specific country. 👉 Example: Goods produced in Vietnam → issue a Vietnam C/O Exporting to China → use the appropriate form 🎯 The Role of C/O in Import-Export C/O plays a very important role: ✔️ Reduction of import duties Applied according to trade agreements ✔️ Faster customs clearance Clear documentation Minimized inspections ✔️ Proof of origin Prevents trade fraud Increases business reputation 📊 Common types of C/O (2026) Below are the common types of C/O encountered in Vietnam – China import-export: 🔹 C/O Form E (Most important) Applicability: Vietnam – China Under the ASEAN – China Free Trade Agreement 👉 This is the most common type of C/O when exporting to China 🔹 C/O Form D Applicable within ASEAN 🔹 C/O Form AK ASEAN – Korea 🔹 C/O Form EUR.1 Exporting to the EU 🔹 C/O Form CPTPP Applied to CPTPP member countries 🔹 C/O Form B (Non-preferential) Used when not covered by an FTA ⚠️ When is a C/O mandatory? You need a C/O when: You want to enjoy preferential tariffs Exporting through official channels Goods are under regulatory control 👉 In some cases, it is not mandatory but still recommended to avoid risks ❌ Common mistakes when preparing C/O Many businesses make mistakes such as: Incorrect origin declaration Discrepancies on the invoice Ineligible for C/O issuance Submitting incomplete dossiers 👉 Consequences: C/O rejection Failure to clear customs Loss of tax incentives 🚛 C/O Processing Solutions from Laso Logistics Laso Logistics supports businesses with: ✔️ Consulting on selecting the correct C/O form Tailored to each market Regulatory compliance ✔️ Document standardization Invoice Packing list Related documentation ✔️ Fast processing – minimizing errors Practical experience Risk mitigation ✔️ Comprehensive shipping solutions Customs + C/O + Transportation Optimizing the entire process 📊 When should you hire a C/O service? You should use a service if: Exporting for the first time Unclear about regulations Wanting to save time Avoiding errors 📞 Contact Laso Logistics Free C/O consultation Fast quote within 5 minutes 24/7 support 👉 Send shipment details for specific advice on the appropriate C/O