HS Code 8421.21 : Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for filtering or purifying machinery and apparatus for liquids, for filtering or purifying water is 8421.21. Under the 2026 Saudi Arabia (ZATCA), the representative MFN general duty rate is 5% [Saudi Customs / ZATCA].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 84
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
Heading 8421
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
Subheading .21
.21
Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United StatesUnited KingdomEuropean UnionCanadaMexicoChinaJapanIndiaAustraliaSouth KoreaGermanyBrazilTürkiyeChinese TaipeiVietnamThailandIndonesiaMalaysiaSingaporeSaudi ArabiaUnited Arab EmiratesSouth AfricaEgyptIsraelChileColombiaPeruPhilippinesPakistanNew ZealandNorwayNigeriaKenyaMoroccoArgentinaEcuadorBangladeshUkraineKazakhstanQatarKuwaitOmanJordan
Saudi Arabia (ZATCA / GCC Customs)
8421.21
MODULE 5: SAUDI ARABIA IMPORT DUTY & VAT BREAKDOWN
Notice: Saudi Arabian customs entry, tariff classification, MFN duties, and 15% VAT are governed by the Zakat, Tax and Customs Authority (ZATCA). Always verify declarable lines with ZATCA 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
7.5% – 25% Additional Duty (China Origin)
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 Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water
MODULE 11: ZATCA Advance Customs Ruling
Legally binding classification rulings issued by ZATCA for HS 8421.21.
Query official ZATCA portal:
Search ZATCA Portal for 8421.21 →Saudi Arabia ZATCA Declarable Lines (8421.21)
National line-level (8/10-digit) detail for Saudi Arabia (ZATCA): coverage in progress.
Universal 6-digit WCO backbone applied rate: 5%. Confirm the full national commodity code at the official source (Saudi Customs / ZATCA).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8421.11 | Subheading under Heading 8421 | Compare Subheading 8421.11 → |
| 8421.12 | Subheading under Heading 8421 | Compare Subheading 8421.12 → |
| 8421.19 | Subheading under Heading 8421 | Compare Subheading 8421.19 → |
| 8421.22 | Subheading under Heading 8421 | Compare Subheading 8421.22 → |
| 8421.23 | Subheading under Heading 8421 | Compare Subheading 8421.23 → |
| 8421.29 | Subheading under Heading 8421 | Compare Subheading 8421.29 → |
| 8421.31 | Subheading under Heading 8421 | Compare Subheading 8421.31 → |
| 8421.32 | Subheading under Heading 8421 | Compare Subheading 8421.32 → |
Official Primary Sources & Authority References
Saudi Customs / ZATCA Trade Portal ↗
Official Saudi Arabia ZATCA MFN tariff schedule, 15% VAT, and GCC rules.
ZATCA Advance Customs Ruling System ↗
ZATCA 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 Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water?
Under WCO Harmonized System 2022 and United States (USITC HTS), Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water is classified under HS 8421.21 (Heading 8421, Chapter 84). The representative SA MFN general duty rate is 5%.
How is HS 8421.21 distinguished within Heading 8421 (Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof)?
Heading 8421 covers Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof. Subheading 8421.21 specifically isolates Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 8421.
What are the primary candidate subheadings related to HS 8421.21?
Related subheadings under Heading 8421 include 8421.11, 8421.12, 8421.19, 8421.22, 8421.23, 8421.29, 8421.31, 8421.32. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water?
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 8421.21 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 Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water?
Commercial shipments of Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water 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 8421.21?
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 8421.21 in Saudi Arabia?
Commercial imports of Filtering or purifying machinery and apparatus for liquids, For filtering or purifying water under HS 8421.21 into Saudi Arabia are subject to 15% VAT, assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Saudi Arabia?
The customs de minimis threshold for import shipments into Saudi Arabia is SAR 1,000 (~$266). Consignments under this value may qualify for duty-free or simplified entry under local regulations.
Which authority regulates customs entry and tariff classification in Saudi Arabia?
Customs declarations, import duty assessments, and ZATCA Advance Customs Ruling System for HS 8421.21 are administered by ZATCA (Zakat, Tax and Customs Authority).
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