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 Canada (CBSA), the representative MFN general duty rate is Free [CBSA Tariff 2026].
Import Duty Rates by Destination
MODULE 5: CANADIAN IMPORT DUTY & GST/HST BREAKDOWN
Goods originating in the United States or Mexico satisfying CUSMA Regional Value Content (RVC) or tariff shift rules enter Canada duty-free under the MUST (United States Tariff) preferential SPI.
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8431.43
Receive an automated email notification whenever the CBSA 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: Canadian Trade Remedies (SIMA) & CITT Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| MUST | Canada-United States-Mexico Agreement (CUSMA) | Free | Must meet CUSMA Regional Value Content (RVC) or tariff shift rules. |
| CEUT | Canada-European Union CETA Agreement | Free | CETA Origin Declaration issued by EU exporter. |
| CPTP | Trans-Pacific Partnership (CPTPP) | Free | CPTPP Certificate of Origin and value-add threshold. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: CBSA Advance Rulings for Tariff Classification
Legally binding tariff classification advance rulings issued by Canada Border Services Agency for HS 8431.43.
Query official CBSA Advance Rulings (Memorandum D11-11-1):
Search Official CBSA Advance Rulings for 8431.43 →CBSA Canadian 10-Digit Tariff Items (8431.43)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 8431.43 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 | Free | Free | Rate on request | — |
| 8431.43.40.00 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Of offshore oil and natural gas drilling and production platforms | Free | Free | 45% | No. |
| 8431.43.80 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Other | Free | Free | 35% | — |
| 8431.43.80.20 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Other, Of oil and gas field machinery, Tool joints, whether or not forged | Free | Free | Rate on request | No. |
| 8431.43.80.40 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Other, Of oil and gas field machinery, Drill pipe fitted with tool joints | Free | Free | Rate on request | No. |
| 8431.43.80.60 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Other, Of oil and gas field machinery, Other | Free | Free | Rate on request | No. |
| 8431.43.80.90 | Of machinery of heading 8426, 8429 or 8430, Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, Other, Of other boring or sinking machinery | Free | Free | Rate on request | No. |
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
CBSA Customs Tariff (Departmental Consolidation) ↗
Official Canadian 10-digit tariff items and MFN duty rates.
Canada Revenue Agency (CRA) Import GST/HST ↗
Federal GST and provincial HST tax administration.