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HS Code 4418.50 : Shingles and shakes

The 6-digit Harmonized System (HS) code for shingles and shakes is 4418.50. Under the 2026 Oman (Customs), the representative MFN general duty rate is 5% [Royal Oman Police Customs].

Chapter

Ch 44

Heading

4418

Subheading

4418.50

OM MFN Duty

MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY

Chapter 44

Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes

Heading 4418

4418

Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes

Subheading .50

.50

Shingles and shakes

MODULE 4: SIGNATURE B: TARIFF MATRIX

Import Duty Rates by Destination

Oman (Royal Oman Police Customs)

4418.50

Representative MFN Ad Valorem Rate

Verified July 2026 · ROP Source

MODULE 5: OMAN IMPORT DUTY & VAT BREAKDOWN

GCC Base CET Duty

GCC Tariff [ROP]

Value Added Tax (VAT)

5.00 %

CIF + Duty Base [VAT 5%]

De Minimis Threshold

OMR Limit

Customs Threshold

Notice: Omani customs clearance, GCC CET tariff classification, MFN duty rates, and 5% VAT are governed by Directorate General of Customs (Royal Oman Police). Always verify declarable lines with ROP Customs prior to import.

TRACK THIS HS CODE

Get Real-Time Tariff & Trade Remedy Change Alerts for HS 4418.50

Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 4418.50.

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
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 Shingles and shakes

MODULE 11: Oman Customs Advance Ruling System

Legally binding advance tariff rulings issued by Royal Oman Police Customs for HS 4418.50.

Query official Oman Customs portal:

Search Oman Customs Portal for 4418.50 →

Oman ROP Customs Tariff Schedule (4418.50)

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

Universal 6-digit WCO backbone applied rate: 5%. Confirm the full national commodity code at the official source (Royal Oman Police Customs).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code	Heading Category	Action
4418.11	Subheading under Heading 4418	Compare Subheading 4418.11 →
4418.19	Subheading under Heading 4418	Compare Subheading 4418.19 →
4418.21	Subheading under Heading 4418	Compare Subheading 4418.21 →
4418.29	Subheading under Heading 4418	Compare Subheading 4418.29 →
4418.30	Subheading under Heading 4418	Compare Subheading 4418.30 →
4418.40	Subheading under Heading 4418	Compare Subheading 4418.40 →
4418.73	Subheading under Heading 4418	Compare Subheading 4418.73 →
4418.74	Subheading under Heading 4418	Compare Subheading 4418.74 →

Official Primary Sources & Authority References

Royal Oman Police Customs (ROP) ↗

Official Oman ROP tariff schedule, 5% VAT, and US-Oman FTA rules.

Oman Customs Advance Ruling System ↗

Royal Oman Police Customs 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 Shingles and shakes?

Under WCO Harmonized System 2022 and United States (USITC HTS), Shingles and shakes is classified under HS 4418.50 (Heading 4418, Chapter 44). The representative OM MFN general duty rate is 5%.

How is HS 4418.50 distinguished within Heading 4418 (Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes)?

Heading 4418 covers Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes. Subheading 4418.50 specifically isolates Shingles and shakes. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 4418.

What are the primary candidate subheadings related to HS 4418.50?

Related subheadings under Heading 4418 include 4418.11, 4418.19, 4418.21, 4418.29, 4418.30, 4418.40, 4418.73, 4418.74. Classification depends on processing stage, decaffeination, purity, or material form.

What mandatory commercial entry documents are required to import Shingles and shakes?

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 4418.50 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 Shingles and shakes?

Commercial shipments of Shingles and shakes 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 4418.50?

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 4418.50 in Oman?

Commercial imports of Shingles and shakes under HS 4418.50 into Oman are subject to 5% VAT, assessed on the entered customs value plus applicable duties.

What is the customs duty de minimis threshold in Oman?

The customs de minimis threshold for import shipments into Oman is OMR 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 Oman?

Customs declarations, import duty assessments, and Oman Customs Advance Ruling System for HS 4418.50 are administered by Directorate General of Customs (Royal Oman Police).

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