HS Code 2937.21 : Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for steroidal hormones, their derivatives and structural analogues, cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) is 2937.21. Under the 2026 Oman (Customs), the representative MFN general duty rate is 0% [Royal Oman Police Customs].
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 .21
.21
Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)
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
Oman (Royal Oman Police Customs)
2937.21
MODULE 5: OMAN IMPORT DUTY & VAT BREAKDOWN
Notice: Omani customs clearance, GCC CET tariff classification, MFN duty rates, and 5% VAT are governed by Directorate General of Customs (Royal Oman Police). Always verify declarable lines with ROP Customs 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 |
|---|---|---|---|
| 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 Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)
MODULE 11: Oman Customs Advance Ruling System
Legally binding advance tariff rulings issued by Royal Oman Police Customs for HS 2937.21.
Query official Oman Customs portal:
Search Oman Customs Portal for 2937.21 →Oman ROP Customs Tariff Schedule (2937.21)
National line-level (8/10-digit) detail for Oman (Customs): coverage in progress.
Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Royal Oman Police Customs).
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 → |
| 2937.22 | 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 → |
| 2937.90 | Subheading under Heading 2937 | Compare Subheading 2937.90 → |
Official Primary Sources & Authority References
Royal Oman Police Customs (ROP) ↗
Official Oman ROP tariff schedule, 5% VAT, and US-Oman FTA rules.
Oman Customs Advance Ruling System ↗
Royal Oman Police Customs 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 Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)?
Under WCO Harmonized System 2022 and United States (USITC HTS), Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) is classified under HS 2937.21 (Heading 2937, Chapter 29). The representative OM MFN general duty rate is 0%.
How is HS 2937.21 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 2937.21 specifically isolates Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone). 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 2937.21?
Related subheadings under Heading 2937 include 2937.11, 2937.12, 2937.19, 2937.22, 2937.23, 2937.29, 2937.50, 2937.90. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)?
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 2937.21 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 Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)?
Commercial shipments of Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) 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 2937.21?
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 2937.21 in Oman?
Commercial imports of Steroidal hormones, their derivatives and structural analogues, Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) under HS 2937.21 into Oman are subject to 5% VAT, assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Oman?
The customs de minimis threshold for import shipments into Oman is OMR 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 Oman?
Customs declarations, import duty assessments, and Oman Customs Advance Ruling System for HS 2937.21 are administered by Directorate General of Customs (Royal Oman Police).
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