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HS Code 3917.21 : Tubes, pipes and hoses, rigid, Of polymers of ethylene

The 6-digit Harmonized System (HS) code for tubes, pipes and hoses, rigid, of polymers of ethylene is 3917.21. Under the 2026 Nigeria (Customs Service), the representative MFN general duty rate is 20% [Nigeria Customs Service].

Chapter

Ch 39

Heading

3917

Subheading

3917.21

NG MFN Duty

20%

MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY

Chapter 39

Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics

Heading 3917

3917

Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics

Subheading .21

.21

Tubes, pipes and hoses, rigid, Of polymers of ethylene

MODULE 4: SIGNATURE B: TARIFF MATRIX

Import Duty Rates by Destination

Nigeria (Nigeria Customs Service)

3917.21

Representative MFN Ad Valorem Rate

20%

Verified July 2026 · NCS Source

MODULE 5: NIGERIA IMPORT DUTY & VAT BREAKDOWN

NCS Base MFN Duty

20%

Ad Valorem Tariff [NCS]

Value Added Tax (VAT)

7.50 %

CIF + Duty Base [VAT 7.5%]

De Minimis Threshold

Low-Value Limit

Customs Threshold

Notice: Nigerian customs clearance, ECOWAS CET classification, MFN rates, and 7.5% VAT are governed by Nigeria Customs Service (NCS). Always verify declarable lines with NCS prior to import.

TRACK THIS HS CODE

Get Real-Time Tariff & Trade Remedy Change Alerts for HS 3917.21

Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 3917.21.

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: Trade Remedies (Section 301, Section 232, AD/CVD)

China Section 301 Tariff Status

7.5% – 25% Additional Duty (China Origin)

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 Tubes, pipes and hoses, rigid, Of polymers of ethylene

MODULE 11: Nigeria Customs Advance Ruling System

Legally binding advance tariff rulings issued by Nigeria Customs Service for HS 3917.21.

Query official NCS portal:

Search NCS Portal for 3917.21 →

Nigeria Tariff Schedule (3917.21)

National line-level (8/10-digit) detail for Nigeria (Customs Service): coverage in progress.

Universal 6-digit WCO backbone applied rate: 20%. Confirm the full national commodity code at the official source (Nigeria Customs Service).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code	Heading Category	Action
3917.10	Subheading under Heading 3917	Compare Subheading 3917.10 →
3917.22	Subheading under Heading 3917	Compare Subheading 3917.22 →
3917.23	Subheading under Heading 3917	Compare Subheading 3917.23 →
3917.29	Subheading under Heading 3917	Compare Subheading 3917.29 →
3917.31	Subheading under Heading 3917	Compare Subheading 3917.31 →
3917.32	Subheading under Heading 3917	Compare Subheading 3917.32 →
3917.33	Subheading under Heading 3917	Compare Subheading 3917.33 →
3917.39	Subheading under Heading 3917	Compare Subheading 3917.39 →

Official Primary Sources & Authority References

Nigeria Customs Service Portal ↗

Official Nigeria Customs Service tariff schedule, 7.5% VAT, and ECOWAS CET rules.

Nigeria Customs Advance Ruling System ↗

Nigeria Customs Service official binding advance classification rulings 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 Tubes, pipes and hoses, rigid, Of polymers of ethylene?

Under WCO Harmonized System 2022 and United States (USITC HTS), Tubes, pipes and hoses, rigid, Of polymers of ethylene is classified under HS 3917.21 (Heading 3917, Chapter 39). The representative NG MFN general duty rate is 20%.

How is HS 3917.21 distinguished within Heading 3917 (Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics)?

Heading 3917 covers Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics. Subheading 3917.21 specifically isolates Tubes, pipes and hoses, rigid, Of polymers of ethylene. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 3917.

What are the primary candidate subheadings related to HS 3917.21?

Related subheadings under Heading 3917 include 3917.10, 3917.22, 3917.23, 3917.29, 3917.31, 3917.32, 3917.33, 3917.39. Classification depends on processing stage, decaffeination, purity, or material form.

What mandatory commercial entry documents are required to import Tubes, pipes and hoses, rigid, Of polymers of ethylene?

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 3917.21 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 Tubes, pipes and hoses, rigid, Of polymers of ethylene?

Commercial shipments of Tubes, pipes and hoses, rigid, Of polymers of ethylene 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 3917.21?

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 3917.21 in Nigeria?

Commercial imports of Tubes, pipes and hoses, rigid, Of polymers of ethylene under HS 3917.21 into Nigeria are subject to 7.5% VAT, assessed on the entered customs value plus applicable duties.

What is the customs duty de minimis threshold in Nigeria?

The customs de minimis threshold for import shipments into Nigeria is Low-value 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 Nigeria?

Customs declarations, import duty assessments, and Nigeria Customs Advance Ruling System for HS 3917.21 are administered by Nigeria Customs Service (NCS).

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