HomeChapter 55Heading 55095509.51

HS Code 5509.51 : Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers

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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 other yarn, of polyester staple fibers, mixed mainly or solely with artificial staple fibers is 5509.51. Under the 2026 Morocco (ADII), the representative MFN general duty rate is 2.5% [Administration des Douanes Morocco].

Chapter
Heading
Subheading
5509.51
MA MFN Duty
2.5%
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 55
Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
Heading 5509
Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
Subheading .51
.51
Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers
Morocco (ADII)
5509.51
Representative MFN Ad Valorem Rate
2.5%
Verified July 2026 · ADII Source

MODULE 5: MOROCCO IMPORT DUTY & TVA BREAKDOWN

ADII Base MFN Duty
2.5%
Customs Duty [ADII]
Taxe sur la Valeur Ajoutée (TVA)
20.00 %
CIF + Duty Base [TVA 20%]
De Minimis Threshold
Low-Value Limit
Customs Exemption
Notice: Moroccan customs clearance, tariff classification, MFN duty rates, and 20% TVA are governed by Administration des Douanes et Impôts Indirects (ADII). Always verify declarable lines with ADII prior to import.
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Get Real-Time Tariff & Trade Remedy Change Alerts for HS 5509.51

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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
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
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 Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers

MODULE 11: ADII Advance Ruling System

Legally binding advance tariff rulings issued by Administration des Douanes Morocco for HS 5509.51.

Query official ADII portal:

Search ADII Portal for 5509.51 →

Morocco ADII Tariff Schedule (5509.51)

National line-level (8/10-digit) detail for Morocco (ADII): coverage in progress.

Universal 6-digit WCO backbone applied rate: 2.5%. Confirm the full national commodity code at the official source (Administration des Douanes Morocco).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code Heading Category Action
5509.11 Subheading under Heading 5509 Compare Subheading 5509.11 →
5509.12 Subheading under Heading 5509 Compare Subheading 5509.12 →
5509.21 Subheading under Heading 5509 Compare Subheading 5509.21 →
5509.22 Subheading under Heading 5509 Compare Subheading 5509.22 →
5509.31 Subheading under Heading 5509 Compare Subheading 5509.31 →
5509.32 Subheading under Heading 5509 Compare Subheading 5509.32 →
5509.41 Subheading under Heading 5509 Compare Subheading 5509.41 →
5509.42 Subheading under Heading 5509 Compare Subheading 5509.42 →

Official Primary Sources & Authority References

Administration des Douanes Morocco (ADII) ↗

Official Morocco ADII tariff schedule, 20% TVA, and US-Morocco FTA rules.

ADII Advance Ruling System ↗

Administration des Douanes 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 Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers?
Under WCO Harmonized System 2022 and United States (USITC HTS), Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers is classified under HS 5509.51 (Heading 5509, Chapter 55). The representative MA MFN general duty rate is 2.5%.
How is HS 5509.51 distinguished within Heading 5509 (Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale)?
Heading 5509 covers Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale. Subheading 5509.51 specifically isolates Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 5509.
What are the primary candidate subheadings related to HS 5509.51?
Related subheadings under Heading 5509 include 5509.11, 5509.12, 5509.21, 5509.22, 5509.31, 5509.32, 5509.41, 5509.42. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers?
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 5509.51 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 Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers?
Commercial shipments of Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers 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 5509.51?
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 5509.51 in Morocco?
Commercial imports of Other yarn, of polyester staple fibers, Mixed mainly or solely with artificial staple fibers under HS 5509.51 into Morocco are subject to 20% TVA, assessed on the entered customs value plus applicable duties.
What is the customs duty de minimis threshold in Morocco?
The customs de minimis threshold for import shipments into Morocco is Low-value 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 Morocco?
Customs declarations, import duty assessments, and ADII Advance Ruling System for HS 5509.51 are administered by Administration des Douanes et Impôts Indirects (ADII).
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