HS Code 2839.90 : Silicates; commercial alkali metal silicates, Other
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for silicates; commercial alkali metal silicates, other is 2839.90. Under the 2026 Tunisia (Douane), the representative MFN general duty rate is 0% [Douane Tunisienne].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Subheading .90
.90
Other
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
Tunisia (Douane Tunisienne Tariff 2026)
2839.90
MODULE 5: TUNISIA IMPORT DUTY & 19% VAT (TVA) BREAKDOWN
Import VAT / Tax Rate
19% VAT (TVA)
Local Tax Rate
Notice: Tunisia customs entry, tariff classification, MFN duty rates, and 19% VAT (TVA) are governed by Douane Tunisienne. Always verify declarable lines with Douane Tunisienne 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
EU CBAM Covered Sector
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 Silicates; commercial alkali metal silicates, Other
MODULE 11: Douane Tunisienne Advance Ruling System
Legally binding advance tariff rulings issued by Douane Tunisienne for HS 2839.90.
Query official Customs portal:
Search Official Customs Portal for 2839.90 →Tunisia Declarable Tariff Schedule (2839.90)
National line-level (8/10-digit) detail for Tunisia (Douane): coverage in progress.
Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Douane Tunisienne).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 2839.11 | Subheading under Heading 2839 | Compare Subheading 2839.11 → |
| 2839.19 | Subheading under Heading 2839 | Compare Subheading 2839.19 → |
Official Primary Sources & Authority References
USITC HTS Chapter 28 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Silicates; commercial alkali metal silicates, Other.
CBP CROSS Ruling Database (2839.90) ↗
Binding customs classification precedents for Heading 2839.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Silicates; commercial alkali metal silicates, Other?
Under WCO Harmonized System 2022 and United States (USITC HTS), Silicates; commercial alkali metal silicates, Other is classified under HS 2839.90 (Heading 2839, Chapter 28). The representative TN MFN general duty rate is 0%.
How is HS 2839.90 distinguished within Heading 2839 (Silicates; commercial alkali metal silicates)?
Heading 2839 covers Silicates; commercial alkali metal silicates. Subheading 2839.90 specifically isolates Other. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 2839.
What are the primary candidate subheadings related to HS 2839.90?
Related subheadings under Heading 2839 include 2839.11, 2839.19. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Silicates; commercial alkali metal silicates, 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 2839.90 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 Silicates; commercial alkali metal silicates, Other?
Commercial shipments of Silicates; commercial alkali metal silicates, 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 2839.90?
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 2839.90 in Tunisia?
Commercial imports of Silicates; commercial alkali metal silicates, Other under HS 2839.90 into Tunisia are subject to 19% VAT (TVA), assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Tunisia?
The customs de minimis threshold for import shipments into Tunisia is TND 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 Tunisia?
Customs declarations, import duty assessments, and Douane Tunisienne Advance Ruling System for HS 2839.90 are administered by Douane Tunisienne.
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