- Describe the goods by material, function, processing level and dimensions.
- Find the chapter and heading; read the Section and Chapter notes.
- Apply the six General Interpretative Rules in order.
- Go down to the 6-digit subheading and 8-digit line; compare the "Other" lines.
- Keep technical records; when unsure, request an advance classification ruling from customs.
On this portal you can search by code, Vietnamese with or without diacritics, English, or browse industry → product → possible HS codes.