Certificate of Conformity and Implementation Procedures

In import and export operations, many goods entering Vietnam must meet technical regulation requirements and specialized quality management standards. A Certificate of Conformity is an important document for products subject to mandatory certification, enabling businesses to demonstrate compliance with the relevant National Technical Regulations (QCVN). Understanding the correct procedures helps importers prepare documentation proactively, manage customs clearance timelines, and minimize warehousing and storage costs.

1. What Is a Certificate of Conformity? Distinguishing Between Related Procedures

1.1. Legal Nature and Scope of Application

A Certificate of Conformity (CoC) is a document issued by an authorized certification body confirming that a product or good meets the requirements of the applicable technical regulation. The conformity assessment is conducted using a method appropriate to the product category, certification scope, and relevant industry regulations.

Businesses should distinguish between three procedures that are often confused during the import process:

• Conformity Certification: The activity of assessing whether a product conforms to the corresponding technical regulations, carried out by an authorized organization.
• Declaration of Conformity: The declaration by an organization or individual that a product complies with the applicable technical regulations in accordance with legal requirements.
• Imported Goods Quality Inspection: A state management activity aimed at controlling the quality of goods subject to specialized inspection.

Conformity certification is also not equivalent to certification of conformity with standards. TCVN and other standards serve as the basis for assessment under their respective mechanisms, while QCVN specifies mandatory technical requirements within its scope of regulation. Businesses should not automatically assume that all imported goods require a CoC.

Product categories that may be subject to quality management obligations include electrical and electronic equipment, construction materials, telecommunications equipment, and certain industrial products that may pose safety risks. The determination must be based on the HS code, structure, intended use, composition, model, and specialized management lists, rather than solely on the commercial name stated on the Invoice.

1.2. Criteria for Determining Which Goods Require Conformity Certification and Declaration

Before importing, businesses should cross-check their products against the list of Group 2 goods, applicable QCVN technical regulations, and currently effective specialized regulatory documents. The responsible regulatory authority is determined by the relevant sector and current allocation of responsibilities, and may fall under Ministry of Science and Technology, the Ministry of Construction, the Ministry of Industry and Trade, or the relevant specialized authority.

Not all products subject to quality management are subject to the same assessment method. Some goods must obtain conformity certification before the declaration of conformity, while others may follow self-assessment methods or alternative management mechanisms under the corresponding regulations.

In particular, from 2026, businesses should pay attention to the risk-based management mechanism stipulated in Law No. 78/2026/QH15 and Decree No. 37/2026/ND-CP. Goods classified as medium-risk and high-risk are subject to different management requirements; a single quality inspection registration procedure cannot be applied to all products. 【turn598015search0】【turn598015search2】

For samples intended for testing, goods used for research, or non-commercial imports, businesses should verify the specific exemption conditions. Declaring goods as samples does not automatically mean they are exempt from quality inspections, certification, or other specialized management obligations.

2. Procedures for Registering Quality Inspections of Imported Goods

2.1. Required Documents for Quality Inspection Registration

Documentation must be prepared according to the type of goods, receiving authority, and applicable management method. A basic set of commercial and technical documents typically includes:

• An application for imported goods quality inspection registration using the applicable form, if registration is required.
• Foreign Trade Contract (Sales Contract), Commercial Invoice, and Packing List.
• Ocean Bill of Lading or Air Waybill.
• Catalogue, Technical Specification, and documents describing the product structure and operating principles.
• Product labeling information, model, manufacturer, origin, and technical specifications.
• Certificate of Conformity, test reports, or other quality certificates, if required as part of the mandatory documentation.

A Certificate of Origin (C/O) may be necessary to prove origin and determine eligibility for tariff preferences, but it does not replace a Certificate of Conformity. Similarly, quality certificates issued by foreign manufacturers are not automatically accepted as substitutes for assessment results required under Vietnamese regulations.

An important consideration is data consistency. The HS code, product name, model, quantity, origin, and manufacturer stated in commercial documents must match the actual goods and technical documentation. Where products share the same commercial name but differ in configuration, capacity, or components, businesses must separately determine the applicable conformity assessment scope.

2.2. Registration Process and Sampling for Testing

For goods subject to mandatory quality inspection registration, businesses can follow the procedure below:

• Step 1 – Determine the Applicable Import Policy: Look up the proposed HS code, applicable management lists, risk classification, relevant QCVN technical regulations, and inspection authority. At the same time, identify a suitable certification body and testing laboratory.
• Step 2 – Submit the Application: Register through the National Single Window Portal or a specialized system designated by the competent authority. Attach the supporting documents and monitor the application status.
• Step 3 – Coordinate Customs Procedures: Receive registration confirmation or instructions for processing the application. Arrange for the goods to be moved to a storage location or inspection site, provided that the applicable supervision conditions and regulations are satisfied.
• Step 4 – Sampling and Testing: Coordinate with the conformity assessment organization to collect samples, conduct physical inspections, and test technical indicators according to the applicable QCVN. The number of samples and processing time depend on the product characteristics.
• Step 5 – Receipt of Results: Receive the test results, certification, or quality inspection notification. If discrepancies are identified, businesses must coordinate the necessary corrective actions as requested by the competent authority.

Businesses should note the 2026 mechanism: under Article 82 of Decree No. 37/2026/ND-CP, goods classified as medium-risk are not required to register for quality inspections at the time of importation under the general mechanism, but must complete the declaration of conformity or corresponding quality management measures before being placed on the market. Goods classified as high-risk must register for quality inspections in accordance with regulations. Cases involving products that already have marketing authorization or are subject to separate specialized management mechanisms must follow the corresponding regulations. 【turn598015search1】【turn598015search3】

3. Conformity Declaration, Customs Clearance, and Import Cost Control

3.1. Procedures for Issuing Conformity Certificates and Making Conformity Declarations

To complete the declaration of conformity procedure, businesses must correctly identify the applicable technical regulations and conformity assessment method. Depending on the product category, the assessment may be based on certification results issued by a designated or accredited organization, valid self-assessment results, or another method permitted by law.

The standard implementation process includes preparing technical documentation, selecting an appropriate assessment organization, collecting samples, testing indicators according to QCVN, and evaluating the results. Once the requirements are satisfied, businesses receive a Certificate of Conformity if the applicable assessment method requires certification to be issued.

The declaration of conformity dossier must be prepared in accordance with specialized regulations and may include a declaration of conformity, Certificate of Conformity or conformity assessment results, product identification documents, and other relevant paperwork. The receiving authority is determined according to the relevant management sector and current regulations; there is no single receiving authority for all types of goods.

Businesses must also comply with requirements concerning the CR conformity mark and product labeling. The CR mark may only be used when legal conditions are satisfied and within the scope of the certification. Information about the importer, model, and origin must be displayed in accordance with product labeling regulations.

During business operations, companies must monitor the validity period and scope of certification, including the product name, model, manufacturer, manufacturing location, and applicable technical regulations. If changes to the configuration, components, or manufacturing process affect product characteristics, businesses must review whether reassessment obligations apply. Circular No. 14/2026/TT-BKHCN, effective from May 25, 2026, is one of the documents that should be consulted when determining conformity assessment and declaration methods. 【turn598015search4】【turn598015search7】

3.2. Coordinating Specialized Inspections with Customs, Tax Authorities, and Transportation Providers

Quality inspections and customs procedures are directly related but are not the same operation. Depending on the applicable management mechanism, businesses may be permitted to move goods into storage pending inspection results or may be required to satisfy specialized regulatory conditions before completing customs clearance. The applicable mechanism for each product must be identified accurately before the goods arrive at the port.

Alongside determining quality management policies, HS codes must be classified based on product structure, function, operating principles, materials, and actual intended use. The HS code serves as the basis for determining import duties, VAT, specialized management policies, and origin-based preferences under a C/O. Customs value must be determined in accordance with the applicable Incoterms 2026 delivery conditions, such as FOB, CFR, or CIF.

To control the budget, businesses should prepare a comprehensive cost estimate from the ordering stage, including:

• FCL/LCL ocean freight or Air Freight.
• Customs declaration fees, quality inspection registration fees, and conformity certification fees.
• Testing, sampling, inspection, and warehousing costs.
• THC, yard storage, container detention, and other port surcharges.
• Domestic container transportation costs from the port to the receiving warehouse.

DEM/DET risks and warehousing costs can increase significantly if testing takes longer than expected or documents must be supplemented multiple times. For container shipments, cargo owners should check the shipping line's free-time allowance, schedule sampling, and prepare a plan for moving goods to a storage warehouse if permitted.

Common mistakes include applying the wrong QCVN, registering with the wrong specialized authority, missing Catalogues, mismatched models between documents and actual goods, or using certificates that do not cover the correct products. Therefore, reviewing documentation before booking and customs declaration is essential to minimizing unexpected costs.

Businesses can consult management information and guidance from the Ministry of Science and Technology while cross-checking declaration requirements with the competent customs authority. Combining product policy verification with a international ocean freight helps cargo owners proactively manage delivery and collection schedules and minimize waiting times at the port.

4. Quality Inspection and Conformity Certification Solutions with G-LOGS JSC

For businesses that regularly import machinery, equipment, and industrial goods, checking specialized regulatory policies before signing purchase contracts helps minimize risks from the outset. G-LOGS JSC aims to support customers in reviewing proposed HS codes, quality inspection lists, applicable QCVN technical regulations, and certification requirements for each product category.

During the documentation preparation stage, G-LOGS coordinates the review of Catalogues, technical specifications, models, product labels, Invoices, Packing Lists, and Bills of Lading to minimize discrepancies between import documentation and actual goods. Businesses may also receive support in coordinating inspection registration and connecting with suitable certification organizations and testing laboratories, within the agreed service scope.

For logistics, transportation solutions are developed based on weight, CBM volume, container quantity, departure port, destination port, and the expected time for inspection results. Depending on the characteristics of the shipment, businesses can choose FCL, LCL, or Air Freight, combined with customs declarations and domestic container transportation.

To receive accurate consultation, cargo owners should provide the product name, proposed HS code, model, manufacturer, country of origin, applicable QCVN if identified, quantity, weight, import port, transportation method, and required delivery date. Based on this information, G-LOGS can develop a timeline covering policy review, document preparation, booking, inspection registration, sampling, and completion of customs clearance procedures.

Proper preparation of specialized documentation and selection of an appropriate transportation solution are two important factors in controlling total import costs. Contact G-LOGS JSC for consultation on Certificates of Conformity, declarations of conformity, imported goods quality inspection registration, FCL/LCL transportation solutions, Air Freight, and comprehensive customs declaration services, helping businesses proactively manage delivery schedules and optimize logistics budgets.

G-LOGISTICS TRADING AND SERVICES JOINT STOCK COMPANY (G-LOGS JSC)
Address: 4th Floor, Coalimex Building, 29–31 Dinh Bo Linh Street, Binh Thanh Ward, Ho Chi Minh City, Vietnam.
Phone: (84) 28 3511 5354/5455
Email: info@g-logs.com
Website: www.g-logs.com