HomeChapter 29Heading 29372937.90

HS Code 2937.90 : Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other

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MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO) FR (Pending) ES (Pending)

The 6-digit Harmonized System (HS) code for hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, other is 2937.90. Under the 2026 Nigeria (Customs Service), the representative MFN general duty rate is 5% [Nigeria Customs Service].

Chapter
Heading
Subheading
2937.90
NG MFN Duty
5%
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 29
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones
Heading 2937
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones
Subheading .90
.90
Other
Nigeria (Nigeria Customs Service)
2937.90
Representative MFN Ad Valorem Rate
5%
Verified July 2026 · NCS Source

MODULE 5: NIGERIA IMPORT DUTY & VAT BREAKDOWN

NCS Base MFN Duty
5%
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.
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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.

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
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
PUnited States-Mexico-Canada Agreement (USMCA)FreeMust meet USMCA Regional Value Content (RVC) or tariff shift rules.
KRU.S.-Korea Free Trade Agreement (KORUS)FreeDirect shipment from South Korea with KORUS Certificate of Origin.
AUU.S.-Australia Free Trade AgreementFreeWholly obtained or tariff shift rule under US-Australia FTA.
A / DGSP / African Growth & Opportunity Act (AGOA)Free35% 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 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other

MODULE 11: Nigeria Customs Advance Ruling System

Legally binding advance tariff rulings issued by Nigeria Customs Service for HS 2937.90.

Query official NCS portal:

Search NCS Portal for 2937.90 →

Nigeria Tariff Schedule (2937.90)

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

Universal 6-digit WCO backbone applied rate: 5%. 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
2937.11 Subheading under Heading 2937 Compare Subheading 2937.11 →
2937.12 Subheading under Heading 2937 Compare Subheading 2937.12 →
2937.19 Subheading under Heading 2937 Compare Subheading 2937.19 →
2937.21 Subheading under Heading 2937 Compare Subheading 2937.21 →
2937.22 Subheading under Heading 2937 Compare Subheading 2937.22 →
2937.23 Subheading under Heading 2937 Compare Subheading 2937.23 →
2937.29 Subheading under Heading 2937 Compare Subheading 2937.29 →
2937.50 Subheading under Heading 2937 Compare Subheading 2937.50 →

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 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other?
Under WCO Harmonized System 2022 and United States (USITC HTS), Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other is classified under HS 2937.90 (Heading 2937, Chapter 29). The representative NG MFN general duty rate is 5%.
How is HS 2937.90 distinguished within Heading 2937 (Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones)?
Heading 2937 covers Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. Subheading 2937.90 specifically isolates Other. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 2937.
What are the primary candidate subheadings related to HS 2937.90?
Related subheadings under Heading 2937 include 2937.11, 2937.12, 2937.19, 2937.21, 2937.22, 2937.23, 2937.29, 2937.50. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, 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 2937.90 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 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other?
Commercial shipments of Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, 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 2937.90?
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 2937.90 in Nigeria?
Commercial imports of Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, Other under HS 2937.90 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 2937.90 are administered by Nigeria Customs Service (NCS).
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