HS Code 8431.43 : Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49
The 6-digit Harmonized System (HS) code for of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430.41 or 8430.49 is 8431.43. Under the 2026 Tunisia (Douane), the representative MFN general duty rate is 0% [Douane Tunisienne].
Import Duty Rates by Destination
MODULE 5: TUNISIA IMPORT DUTY & 19% VAT (TVA) BREAKDOWN
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8431.43
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 8431.43.
MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
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
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| 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
MODULE 11: Douane Tunisienne Advance Ruling System
Legally binding advance tariff rulings issued by Douane Tunisienne for HS 8431.43.
Query official Customs portal:
Search Official Customs Portal for 8431.43 →Tunisia Declarable Tariff Schedule (8431.43)
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 |
|---|---|---|
| 8431.10 | Subheading under Heading 8431 | Compare Subheading 8431.10 → |
| 8431.20 | Subheading under Heading 8431 | Compare Subheading 8431.20 → |
| 8431.31 | Subheading under Heading 8431 | Compare Subheading 8431.31 → |
| 8431.39 | Subheading under Heading 8431 | Compare Subheading 8431.39 → |
| 8431.41 | Subheading under Heading 8431 | Compare Subheading 8431.41 → |
| 8431.42 | Subheading under Heading 8431 | Compare Subheading 8431.42 → |
| 8431.49 | Subheading under Heading 8431 | Compare Subheading 8431.49 → |
Official Primary Sources & Authority References
USITC HTS Chapter 84 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49.
CBP CROSS Ruling Database (8431.43) ↗
Binding customs classification precedents for Heading 8431.