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Guide to Filling Out Customs Declarations Accurately and Quickly
A customs declaration is a special document commonly used in import-export activities. However, not everyone knows the correct procedure for filling it out, especially those who are inexperienced in this field. In today’s article, 3W Logistics will provide a detailed guide on how to fill out a customs declaration to ensure the process is smooth and fast.
Table of Contents
Toggle1. What is a Customs Declaration?
A customs declaration is a document used by the cargo owner to report complete information about a shipment, including: commodity codes, origin, quantity, weight, unit price, total value; the exporting/importing company; mode and means of transport; customs office at the border; tax obligations (import tax, special consumption tax, environmental protection tax, VAT), and customs instructions.
The person filling out the customs declaration must also provide other information such as: the tax code of the importer/exporter; tax code of the customs agent; tax code of the authorized person (if applicable)… The declarant is responsible for the accuracy of the information provided and must sign, print their full name, and stamp the document.
Below is the latest sample customs declaration form:

Sample customs declaration for exported goods.

Sample customs declaration for imported goods.
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2. How to Fill Out Information on the Customs Declaration
To ensure imported and exported goods reach the correct destination and clear customs smoothly, it is essential that all information is filled out accurately. Therefore, the person completing the declaration must understand how to correctly fill out the customs declaration form.
2.1. Instructions for Filling Out Information on Export Goods Declarations
| Box position | Content |
| Box 01: Exporter | The declarant shall provide full name, address, telephone number, fax number and tax code of the Vietnamese trader selling goods to the foreign buyer; ID card or passport (if an individual). |
| Box 02: Importer | Provide full name, address, telephone number, fax number and code (if any) of the importing trader. |
| Box 03: Entrusting/Authorized party | Provide full name, address, telephone number, fax number and tax code of the entrusting trader or authorized customs declarant; ID card or passport if the authorized person is an individual. |
| Box 04: Customs broker | Provide full name, address, telephone number, fax number and tax code of the customs broker; contract number and date. |
| Box 05: Type | Specify the export type. |
| Box 06: License number | Provide license number, issue date and expiry date (if any). |
| Box 07: Contract | Provide contract number, signing date and expiry date (if any). |
| Box 08: Commercial Invoice | Provide invoice number and date (if any). |
| Box 09: Port of export | Provide port/location where goods are loaded for export. |
| Box 10: Country of import | Provide final destination country (ISO 3166 code). |
| Box 11: Delivery terms | Specify agreed Incoterms. |
| Box 12: Payment method | Specify payment method (L/C, T/T, etc.). |
| Box 13: Currency | Provide currency code (ISO 4217). |
| Box 14: Exchange rate | Provide exchange rate for tax calculation. |
| Box 15: Description of goods | Provide detailed description of goods as per contract. |
| Box 16: HS Code | Provide HS classification code. |
| Box 17: Origin | Provide country of origin. |
| Box 18: Quantity | Provide quantity/weight. |
| Box 19: Unit | Provide unit of measurement. |
| Box 20: Unit price | Provide unit price. |
| Box 21: Total value | Provide total value. |
| Box 22: Export tax | Provide tax value, rate and payable tax. |
| Box 23: Other charges | Provide other applicable fees. |
| Box 24: Total taxes | Provide total tax amount (in numbers and words). |
| Box 25: Container details | Provide container number, quantity, weight and stuffing location. |
| Box 26: Attached documents | List accompanying documents. |
| Box 27: Signature | Provide date, signature, full name, title and stamp. |