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HS Code 3903.20 : Styrene-acrylonitrile (SAN) copolymers

The 6-digit Harmonized System (HS) code for styrene-acrylonitrile (san) copolymers is 3903.20. Under the 2026 Netherlands (Douane / EU TARIC), the representative MFN general duty rate is 6.5% [Douane Nederland (Dutch Customs)].

Chapter

Ch 39

Heading

3903

Subheading

3903.20

NL MFN Duty

6.5%

MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY

Chapter 39

Polymers of styrene, in primary forms

Heading 3903

3903

Polymers of styrene, in primary forms

Subheading .20

.20

Styrene-acrylonitrile (SAN) copolymers

MODULE 4: SIGNATURE B: TARIFF MATRIX

Import Duty Rates by Destination

Netherlands (2026 Dutch Customs Tariff (Douane Nederland / EU TARIC))

3903.20

Representative General Duty

6.5%

Verified July 2026 · Douane Nederland (Dutch Customs Authority)

MODULE 5: NETHERLANDS IMPORT DUTY & 21% BTW (STANDARD IMPORT VAT) BREAKDOWN

Base Customs Duty

6.5%

MFN Rate [Douane Nederland (Dutch Customs Authority)]

Import VAT / Tax Rate

21% BTW (Standard Import VAT)

Local Tax Rate

De Minimis Threshold

€150.00 duty-free threshold (VAT applies to all commercial imports)

Customs Exemption Limit

Notice: Netherlands customs entry, tariff classification, MFN duty rates, and 21% BTW (Standard Import VAT) are governed by Douane Nederland (Dutch Customs Authority). Always verify declarable lines with Douane Nederland (Dutch Customs Authority) prior to import.

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Get Real-Time Tariff & Trade Remedy Change Alerts for HS 3903.20

Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 3903.20.

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.

PREFERENTIAL RULE

Certificate of Origin (If Claiming FTA)

Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.

MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags

Standard Entry This commodity does not carry mandatory PGA pre-clearance flags under the ACE message set.

MODULE 8: NETHERLANDS Trade Remedies & Safeguards

Douane Nederland (Dutch Customs Authority) Anti-Dumping / Trade Defence

Standard 2026 Dutch Customs Tariff (Douane Nederland / EU TARIC)

Steel & Commodity Safeguards

Exempt (Non-Steel Commodity)

Regulatory Compliance Status

Standard Statutory Clearance

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
MFN	WCO Most-Favoured-Nation (MFN) Status	Standard MFN Rate	Applies to all WTO member states for Styrene-acrylonitrile (SAN) copolymers.
FTA	Netherlands Preferential & Regional Trade Agreements	Free / Concessional	Subject to official Certificate of Origin & Rules of Origin (RoO) requirements.

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 Styrene-acrylonitrile (SAN) copolymers

MODULE 11: European Binding Tariff Information (EBTI / Douane Nederland)

Legally binding tariff classification decisions valid across the EU (administered in NL by Douane Nederland) for HS 3903.20.

Query the official European Commission EBTI database (applies to Dutch imports):

Search Dutch Douane / EU TARIC Database for 3903.20 →

EU TARIC & Dutch Declarable Commodity Lines (3903.20)

National line-level (8/10-digit) detail for Netherlands (Douane / EU TARIC): coverage in progress.

Universal 6-digit WCO backbone applied rate: 6.5%. Confirm the full national commodity code at the official source (Douane Nederland (Dutch Customs)).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code	Heading Category	Action
3903.11	Subheading under Heading 3903	HS 3903.11 Netherlands Duty & Entry Rules →
3903.19	Subheading under Heading 3903	HS 3903.19 Netherlands Duty & Entry Rules →
3903.30	Subheading under Heading 3903	HS 3903.30 Netherlands Duty & Entry Rules →
3903.90	Subheading under Heading 3903	HS 3903.90 Netherlands Duty & Entry Rules →

Official Primary Sources & Authority References

Netherlands (2026 Dutch Customs Tariff (Douane Nederland / EU TARIC)) ↗

Official Netherlands tariff schedule and MFN duty rates — administered by Douane Nederland (Dutch Customs Authority).

Douane Nederland (Dutch Customs Authority) — Advance Tariff Ruling ↗

Binding tariff classification precedents administered by EU Binding Tariff Information (Dutch Douane / EBTI).

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

What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Styrene-acrylonitrile (SAN) copolymers?

Under WCO Harmonized System 2022 and United States (USITC HTS), Styrene-acrylonitrile (SAN) copolymers is classified under HS 3903.20 (Heading 3903, Chapter 39). The representative NL MFN general duty rate is 6.5%.

How is HS 3903.20 distinguished within Heading 3903 (Polymers of styrene, in primary forms)?

Heading 3903 covers Polymers of styrene, in primary forms. Subheading 3903.20 specifically isolates Styrene-acrylonitrile (SAN) copolymers. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 3903.

What are the primary candidate subheadings related to HS 3903.20?

Related subheadings under Heading 3903 include 3903.11, 3903.19, 3903.30, 3903.90. Classification depends on processing stage, decaffeination, purity, or material form.

What mandatory commercial entry documents are required to import Styrene-acrylonitrile (SAN) copolymers?

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 3903.20 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 Styrene-acrylonitrile (SAN) copolymers?

Commercial shipments of Styrene-acrylonitrile (SAN) copolymers 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 3903.20?

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 3903.20 in Netherlands?

Commercial imports of Styrene-acrylonitrile (SAN) copolymers under HS 3903.20 into Netherlands are subject to 21% BTW (Standard Import VAT), assessed on the entered customs value plus applicable duties.

What is the customs duty de minimis threshold in Netherlands?

The customs de minimis threshold for import shipments into Netherlands is €150.00 duty-free threshold (VAT applies to all commercial imports). Consignments under this value may qualify for duty-free or simplified entry under local regulations.

Which authority regulates customs entry and tariff classification in Netherlands?

Customs declarations, import duty assessments, and EU Binding Tariff Information (Dutch Douane / EBTI) for HS 3903.20 are administered by Douane Nederland (Dutch Customs Authority).

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