HS Code Chapter Directory

# HS Code Chapter Directory: 99 WCO Chapters & 21 Tariff Sections Guide

The World Customs Organization (WCO) Harmonized System is organized into a logical, progressive taxonomy comprising 21 Sections and 99 Chapters (with Chapter 77 reserved for future international use). Understanding the macro structure of the HS Chapter Directory enables trade managers, customs brokers, and compliance auditors to navigate from raw agricultural commodities in early chapters to advanced manufactured machinery and optical instruments in later chapters.

Structural Organization of the 21 WCO Tariff Sections

The 99 HS chapters are grouped into 21 overarching Sections based on industry sector, material composition, and degree of manufacturing processing:

| Section | Chapter Range | Commodity Sector Overview | Degree of Processing |

|---|---|---|---|

| Section I | Chapters 01 – 05 | Live Animals & Animal Products | Raw / Unprocessed Agricultural |

| Section II | Chapters 06 – 14 | Vegetable & Botanical Products | Raw / Primary Agricultural |

| Section III | Chapters 15 | Animal or Vegetable Fats & Oils | Primary Processed |

| Section IV | Chapters 16 – 24 | Prepared Foodstuffs, Beverages, Tobacco | Secondary Processed Food |

| Section V | Chapters 25 – 27 | Mineral Products, Ores, Fuels & Petroleum | Raw Extractives & Energy |

| Section VI | Chapters 28 – 38 | Chemicals, Pharmaceuticals & Fertilizers | Chemical Processing |

| Section VII | Chapters 39 – 40 | Plastics, Rubber & Synthetic Polymers | Polymer Manufacturing |

| Section VIII | Chapters 41 – 43 | Raw Hides, Skins, Leather & Furskins | Primary Material |

| Section IX | Chapters 44 – 46 | Wood, Cork & Straw Manufactures | Material Manufacturing |

| Section X | Chapters 47 – 49 | Wood Pulp, Paper, Books & Print Media | Paper Manufacturing |

| Section XI | Chapters 50 – 63 | Textiles, Fibers, Yarns, Fabrics & Apparel | Textile Manufacturing |

| Section XII | Chapters 64 – 67 | Footwear, Headgear, Umbrellas & Feathers | Finished Consumer Goods |

| Section XIII | Chapters 68 – 70 | Stone, Plaster, Cement, Ceramics & Glass | Mineral Manufacturing |

| Section XIV | Chapter 71 | Pearls, Precious Stones, Gold & Jewelry | Precious Metals & Luxury |

| Section XV | Chapters 72 – 83 | Base Metals (Iron, Steel, Copper, Aluminum) | Heavy Industrial Materials |

| Section XVI | Chapters 84 – 85 | Machinery, Mechanical Appliances & Electronics | High-Tech Capital Equipment |

| Section XVII | Chapters 86 – 89 | Vehicles, Aircraft, Vessels & Transport Equipment | Heavy Transport Engineering |

| Section XVIII| Chapters 90 – 92 | Precision Instruments, Medical Devices, Watches | High-Precision Technology |

| Section XIX | Chapter 93 | Arms, Ammunition & Defense Equipment | Defense & Ordnance |

| Section XX | Chapters 94 – 96 | Furniture, Toys, Sports Equipment & Sundries | Finished Miscellaneous Goods |

| Section XXI | Chapters 97 – 99 | Works of Art, Antiques & Special Import Rules | Special Customs Provisions |

The Principle of Progressive Complexity in the HS Nomenclature

A fundamental design principle of the WCO Harmonized System is Progressive Stage of Processing:

• Stage 1: Raw Natural Commodity (e.g. Chapter 01 Live Cattle).
• Stage 2: Primary Processed Material (e.g. Chapter 41 Raw Cattle Hides).
• Stage 3: Manufactured Intermediate Material (e.g. Chapter 42 Finished Leather).
• Stage 4: Final Consumer Product (e.g. Chapter 64 Leather Footwear).

As merchandise moves through higher levels of industrial processing, its classification shifts from early raw-material chapters (Chapters 1–41) to later finished-goods chapters (Chapters 42–64).

How to Navigate Our Interactive HS Chapter Directory

To browse the HS Code Chapter Directory:

1. Select your target Tariff Section (I through XXI) or search directly by 2-Digit Chapter Number.
2. Drill down into 4-digit Headings and 6-digit WCO Subheadings.
3. Review statutory Section Notes and Chapter Notes defining legal inclusions and exclusions.
4. Export complete 2-digit chapter schedules for compliance auditing.

Frequently Asked Questions

Why is Chapter 77 empty in the HS Code directory?

Chapter 77 is explicitly reserved by the World Customs Organization for future international trade requirements, ensuring a blank chapter is available if a major new global commodity sector emerges.

What are Chapter 98 and Chapter 99 used for?

Chapters 98 and 99 are reserved for national customs provisions, such as temporary tariff concessions, duty-free personal baggage entries, postal packages, and special trade remedy surcharges (e.g. US Section 301 tariffs under HTSUS Chapter 99).

Where do I find official Section and Chapter legal notes?

Official WCO Section and Chapter notes are positioned at the beginning of each section and chapter in statutory customs tariff publications, establishing binding legal definitions for commodity boundaries.

Master Reference Guide to Key WCO Tariff Chapters

Quick orientation guide for global logistics planners:

• Chapters 01 – 24 (Agricultural & Foodstuffs): Governed by strict SPS (Sanitary and Phytosanitary) rules, health inspections, and agricultural quota tariffs.
• Chapters 28 – 38 (Chemicals & Allied Industries): Requires precise Chemical Abstracts Service (CAS) numbers and GHS safety data sheet verification.
• Chapters 39 – 40 (Plastics & Rubber): Classified based on polymer composition (polyethylene, PVC, polypropylene) and physical state (primary forms vs plates/sheets).
• Chapters 84 – 85 (Machinery & Electronics): The largest volume chapters in global trade, covering computers, smartphones, semiconductors, and industrial machinery.

Complete Operational Overview of the 99 WCO Tariff Chapters

Key structural insights for international trade planners:

• Raw vs Manufactured Split: Chapters 01 through 27 cover primary raw materials and agricultural produce; Chapters 28 through 83 cover processed materials and chemical/metal intermediates; Chapters 84 through 96 cover complex manufactured equipment.
• Machinery Headings (Chapters 84 & 85): Chapter 84 classifies non-electrical mechanical appliances, boilers, and computers; Chapter 85 classifies electrical machinery, sound recorders, telecommunications equipment, and semiconductors.
• Precision Instruments (Chapter 90): Covers optical lenses, medical diagnostic equipment, surgical instruments, measuring apparatus, and automated testing devices.
• Special Purpose Chapters (Chapters 98 & 99): Utilized by national customs administrations to administer temporary concessions, personal passenger baggage allowances, and trade remedy surcharges.

Strategic Compliance: Managing Customs Classification Audit Risks

To ensure long-term regulatory compliance across global trade lanes:

• Periodic Classification Reviews: Re-evaluate internal SKU classification master tables annually to incorporate national tariff schedule updates and new WCO classification opinions.
• Customs Audit Preparedness: Maintain complete technical documentation files—including commercial invoices, bill of lading contracts, laboratory material breakdown certificates, and binding rulings—for 5 years post-entry.
• Pre-Import Binding Ruling Petitions: When importing novel, high-value, or multi-component products, file formal binding ruling applications with national customs authorities (CBP in the US, CBIC in India, HMRC in the UK) to legally secure tariff rates prior to shipment dispatch.

Key Compliance Guidelines for Global HS Code Declarations

To ensure seamless customs clearance across international borders:

1. Verify WCO 6-Digit Base: Always ensure your foreign supplier provides the correct WCO 6-digit subheading before converting to local 8-digit or 10-digit national tariff lines.
2. Reconcile Commercial Invoices: Match declared HS codes against commercial invoices, packing lists, and origin certificates prior to electronic customs submission.
3. Audit PGA Regulatory Triggers: Check destination country partner government agency databases (FDA, EPA, USDA, BIS) to submit compulsory permits alongside entry declarations.

Browse All 98 HS Chapters