HomeChapter 28Heading 28352835.31

HS Code 2835.31 : Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)

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MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO) FR (Pending) ES (Pending)

The 6-digit Harmonized System (HS) code for polyphosphates, sodium triphosphate (sodium tripolyphosphate) is 2835.31. Under the 2026 Côte d'Ivoire (Douanes), the representative MFN general duty rate is 5% [Direction Générale des Douanes].

Chapter
Heading
Subheading
2835.31
CI MFN Duty
5%
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 28
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
Heading 2835
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
Subheading .31
.31
Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)
Côte d'Ivoire (Direction Générale des Douanes Tariff 2026)
2835.31
Representative General Duty
5%
Verified July 2026 · Direction Générale des Douanes

MODULE 5: CÔTE D'IVOIRE IMPORT DUTY & 18% VAT (TVA) BREAKDOWN

Base Customs Duty
5%
MFN Rate [Direction Générale des Douanes]
Import VAT / Tax Rate
18% VAT (TVA)
Local Tax Rate
De Minimis Threshold
XOF threshold
Customs Exemption Limit
Notice: Côte d'Ivoire customs entry, tariff classification, MFN duty rates, and 18% VAT (TVA) are governed by Direction Générale des Douanes. Always verify declarable lines with Direction Générale des Douanes prior to import.
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Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 2835.31.

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
PUnited States-Mexico-Canada Agreement (USMCA)FreeMust meet USMCA Regional Value Content (RVC) or tariff shift rules.
KRU.S.-Korea Free Trade Agreement (KORUS)FreeDirect shipment from South Korea with KORUS Certificate of Origin.
AUU.S.-Australia Free Trade AgreementFreeWholly obtained or tariff shift rule under US-Australia FTA.
A / DGSP / African Growth & Opportunity Act (AGOA)Free35% 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 Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)

MODULE 11: Douanes Ivoiriennes Advance Ruling System

Legally binding advance tariff rulings issued by Direction Générale des Douanes for HS 2835.31.

Query official Customs portal:

Search Official Customs Portal for 2835.31 →

Côte d'Ivoire Declarable Tariff Schedule (2835.31)

National line-level (8/10-digit) detail for Côte d'Ivoire (Douanes): coverage in progress.

Universal 6-digit WCO backbone applied rate: 5%. Confirm the full national commodity code at the official source (Direction Générale des Douanes).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code Heading Category Action
2835.10 Subheading under Heading 2835 Compare Subheading 2835.10 →
2835.22 Subheading under Heading 2835 Compare Subheading 2835.22 →
2835.24 Subheading under Heading 2835 Compare Subheading 2835.24 →
2835.25 Subheading under Heading 2835 Compare Subheading 2835.25 →
2835.26 Subheading under Heading 2835 Compare Subheading 2835.26 →
2835.29 Subheading under Heading 2835 Compare Subheading 2835.29 →
2835.39 Subheading under Heading 2835 Compare Subheading 2835.39 →

Official Primary Sources & Authority References

USITC HTS Chapter 28 Tariff Schedule (2026) ↗

Official U.S. 10-digit tariff lines and general duty rates for Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate).

CBP CROSS Ruling Database (2835.31) ↗

Binding customs classification precedents for Heading 2835.

MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide

What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)?
Under WCO Harmonized System 2022 and United States (USITC HTS), Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate) is classified under HS 2835.31 (Heading 2835, Chapter 28). The representative CI MFN general duty rate is 5%.
How is HS 2835.31 distinguished within Heading 2835 (Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined)?
Heading 2835 covers Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined. Subheading 2835.31 specifically isolates Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate). Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 2835.
What are the primary candidate subheadings related to HS 2835.31?
Related subheadings under Heading 2835 include 2835.10, 2835.22, 2835.24, 2835.25, 2835.26, 2835.29, 2835.39. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)?
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 2835.31 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 Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate)?
Commercial shipments of Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate) 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 2835.31?
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 2835.31 in Côte d'Ivoire?
Commercial imports of Polyphosphates, Sodium triphosphate (Sodium tripolyphosphate) under HS 2835.31 into Côte d'Ivoire are subject to 18% VAT (TVA), assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Côte d'Ivoire?
The customs de minimis threshold for import shipments into Côte d'Ivoire is XOF 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 Côte d'Ivoire?
Customs declarations, import duty assessments, and Douanes Ivoiriennes Advance Ruling System for HS 2835.31 are administered by Direction Générale des Douanes.
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