HS Code 3811.21 : Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for additives for lubricating oils, containing petroleum oils or oils obtained from bituminous minerals is 3811.21. Under the 2026 Cambodia (GDCE), the representative MFN general duty rate is 7% [General Department of Customs and Excise (GDCE)].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 38
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils
Heading 3811
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils
Subheading .21
.21
Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United StatesUnited KingdomEuropean UnionCanadaMexicoChinaJapanIndiaAustraliaSouth KoreaGermanyBrazilTürkiyeChinese TaipeiVietnamThailandIndonesiaMalaysiaSingaporeSaudi ArabiaUnited Arab EmiratesSouth AfricaEgyptIsraelChileColombiaPeruPhilippinesPakistanNew ZealandNorwayNigeriaKenyaMoroccoArgentinaEcuadorBangladeshUkraineKazakhstanQatarKuwaitOmanJordanBahrainSri LankaTunisiaGhanaCôte d'IvoireGeorgiaCambodiaPanamaCosta RicaDominican Republic
Cambodia (Cambodia GDCE Customs Tariff 2026)
3811.21
MODULE 5: CAMBODIA IMPORT DUTY & 10% VAT BREAKDOWN
Import VAT / Tax Rate
10% VAT
Local Tax Rate
Notice: Cambodia customs entry, tariff classification, MFN duty rates, and 10% VAT are governed by General Department of Customs and Excise (GDCE). Always verify declarable lines with General Department of Customs and Excise (GDCE) prior to import.
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MODULE 6: Mandatory Customs Entry Document Matrix
Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
UNIVERSAL DOCUMENT
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
AGENCY-CONDITIONAL (PGA)
FDA Prior Notice / USDA Phytosanitary Cert
Rule-derived from verified PGA flag: Mandatory prior notice filing and health certificate.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
ACE PGA Message-Set Flags:
EPA (EP1): EPA Pesticide Notice of Arrival (NOA) Form 3540-1
Official ACE program code: ACE/PGA [FDA 21 CFR 1.276].
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
China Section 301 Tariff Status
0% Additional Duty (Exempt)
Section 232 Steel/Aluminum Status
Exempt (Non-Metal Commodity)
EU CBAM Carbon Alert
Not in Scope
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
Browse all preferential trade calculators & compliance tools in our Customs Tools Hub ↗.
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals
MODULE 11: GDCE Customs Advance Ruling System
Legally binding advance tariff rulings issued by General Department of Customs and Excise for HS 3811.21.
Query official Customs portal:
Search Official Customs Portal for 3811.21 →Cambodia Declarable Tariff Schedule (3811.21)
National line-level (8/10-digit) detail for Cambodia (GDCE): coverage in progress.
Universal 6-digit WCO backbone applied rate: 7%. Confirm the full national commodity code at the official source (General Department of Customs and Excise (GDCE)).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 3811.11 | Subheading under Heading 3811 | Compare Subheading 3811.11 → |
| 3811.19 | Subheading under Heading 3811 | Compare Subheading 3811.19 → |
| 3811.29 | Subheading under Heading 3811 | Compare Subheading 3811.29 → |
| 3811.90 | Subheading under Heading 3811 | Compare Subheading 3811.90 → |
Official Primary Sources & Authority References
USITC HTS Chapter 38 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals.
CBP CROSS Ruling Database (3811.21) ↗
Binding customs classification precedents for Heading 3811.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals?
Under WCO Harmonized System 2022 and United States (USITC HTS), Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals is classified under HS 3811.21 (Heading 3811, Chapter 38). The representative KH MFN general duty rate is 7%.
How is HS 3811.21 distinguished within Heading 3811 (Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils)?
Heading 3811 covers Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils. Subheading 3811.21 specifically isolates Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 3811.
What are the primary candidate subheadings related to HS 3811.21?
Related subheadings under Heading 3811 include 3811.11, 3811.19, 3811.29, 3811.90. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 3811.21 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals?
Commercial shipments of Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 3811.21?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What import VAT or sales tax applies to HS 3811.21 in Cambodia?
Commercial imports of Additives for lubricating oils, Containing petroleum oils or oils obtained from bituminous minerals under HS 3811.21 into Cambodia are subject to 10% VAT, assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Cambodia?
The customs de minimis threshold for import shipments into Cambodia is KHR threshold. Consignments under this value may qualify for duty-free or simplified entry under local regulations.
Which authority regulates customs entry and tariff classification in Cambodia?
Customs declarations, import duty assessments, and GDCE Customs Advance Ruling System for HS 3811.21 are administered by General Department of Customs and Excise (GDCE).
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