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HS Code 3811.19 : Antiknock preparations, Other

The 6-digit Harmonized System (HS) code for antiknock preparations, other is 3811.19. Under the 2026 South Africa (SARS), the representative MFN general duty rate is 0% [SARS Customs].

Chapter

Ch 38

Heading

3811

Subheading

3811.19

ZA MFN Duty

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

3811

Subheading .19

.19

Antiknock preparations, Other

MODULE 4: SIGNATURE B: TARIFF MATRIX

Import Duty Rates by Destination

South Africa (SARS Customs / SACU Tariff)

3811.19

Representative General Duty Rate

Verified July 2026 · SARS Source

MODULE 5: SOUTH AFRICA IMPORT DUTY & VAT BREAKDOWN

SARS Base MFN Duty

SACU Tariff [SARS]

Import VAT

15.00 %

Customs Value + 10% + Duty [VAT 15%]

De Minimis Threshold

ZAR 500 (~$27)

Customs Exemption

Notice: South African customs entry, SACU tariff classification, MFN duties, and 15% import VAT are governed by the South African Revenue Service (SARS). Always verify declarable lines with SARS prior to import.

TRACK THIS HS CODE

Get Real-Time Tariff & Trade Remedy Change Alerts for HS 3811.19

Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 3811.19.

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 Antiknock preparations, Other

MODULE 11: SARS Tariff Determination

Legally binding tariff classification determinations issued by SARS Customs for HS 3811.19.

Query official SARS portal:

Search SARS Portal for 3811.19 →

SARS South Africa Declarable Lines (3811.19)

National line-level (8/10-digit) detail for South Africa (SARS): coverage in progress.

Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (SARS Customs).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code	Heading Category	Action
3811.11	Subheading under Heading 3811	Compare Subheading 3811.11 →
3811.21	Subheading under Heading 3811	Compare Subheading 3811.21 →
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

SARS Customs & Excise Tariff Schedule ↗

Official South Africa SARS MFN tariff items, 15% VAT, and SACU/SADC rules.

SARS Tariff Determination Portal ↗

SARS Customs legally binding tariff classification determinations database.

MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide

What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Antiknock preparations, Other?

Under WCO Harmonized System 2022 and United States (USITC HTS), Antiknock preparations, Other is classified under HS 3811.19 (Heading 3811, Chapter 38). The representative ZA MFN general duty rate is 0%.

How is HS 3811.19 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 3811.19 specifically isolates Antiknock preparations, Other. 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 3811.19?

Related subheadings under Heading 3811 include 3811.11, 3811.21, 3811.29, 3811.90. Classification depends on processing stage, decaffeination, purity, or material form.

What mandatory commercial entry documents are required to import Antiknock preparations, Other?

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 3811.19 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 Antiknock preparations, Other?

Commercial shipments of Antiknock preparations, Other 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 3811.19?

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 3811.19 in South Africa?

Commercial imports of Antiknock preparations, Other under HS 3811.19 into South Africa are subject to 15% VAT, assessed on the entered customs value plus applicable duties.

What is the customs duty de minimis threshold in South Africa?

The customs de minimis threshold for import shipments into South Africa is ZAR 500 (~$27). Consignments under this value may qualify for duty-free or simplified entry under local regulations.

Which authority regulates customs entry and tariff classification in South Africa?

Customs declarations, import duty assessments, and SARS Tariff Determination System for HS 3811.19 are administered by South African Revenue Service (SARS).

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