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HS Codes Explained: How to Classify Your Imports Correctly

March 15, 2026
Maxline Team
8 min read

What is an HS Code?

An HS Code (Harmonized System Code) is an international product classification used in customs worldwide. It's a 6-10 digit number that uniquely identifies every item in global trade.

Every product traded internationally has an HS code. A pair of shoes, a car engine, a kilogram of coffee, a semiconductor chip—each has a unique code.

Why HS Codes Matter

Your HS code determines:

  • Duty Rate: Seychelles tariff (0-40% depending on product category)
  • VAT Rate: Standard 15% (some exceptions: 0% for essential foods, medical supplies)
  • Excise Tax: Alcohol 40%, tobacco 30%, fuel 10%
  • Licensing: Some goods require permits (medications, weapons, food additives)
  • Restrictions: Some goods are prohibited or limited (endangered species, certain pesticides)
  • Preference Tariffs: Goods from COMESA countries may have lower rates

Example: Misclassifying a bucket

  • Plastic bucket (39 23 00): 5% duty on ₨1,000 = ₨50 total tax
  • Metal bucket (73 24 90): 15% duty on ₨1,000 = ₨150 total tax
  • Difference: ₨100 (a 3× penalty just from wrong material!)

Now multiply that across a 50-unit shipment: ₨5,000 difference.

How HS Codes Are Structured

HS codes are hierarchical and build from general to specific:

Chapter (2 digits)

Example: Chapter 02 = "Meat and edible meat offal"

There are 21 chapters in the HS system (01-21, plus some sections).

Heading (4 digits)

Example: 02 05 = "Meat of horses, asses, mules, and hinnies, fresh or chilled"

More specific than chapter, but still general.

Subheading (6 digits minimum)

Example: 02 05 00 13 = "Fresh meat of horses, not cut in pieces" (10 digits in Seychelles)

Most specific level. This is what you use on your customs declaration.

How to Classify Goods: 3 Steps

Step 1: Find the Chapter

Start by identifying the product category. Is it food? Textiles? Machinery? Electronics?

  • Chapters 01-05: Animal products
  • Chapters 06-15: Plant products & food
  • Chapters 16-20: Food & beverages (processed)
  • Chapters 25-26: Minerals & ores
  • Chapters 39-40: Plastics & rubber
  • Chapters 50-63: Textiles
  • Chapters 64-67: Footwear & headwear
  • Chapters 84-90: Machinery & electrical equipment

Step 2: Find the Heading

Within your chapter, find the section that matches your product more precisely.

Example: You're importing laptop computers.

  • Category: Machinery → Chapter 84
  • Subcategory: Automatic data processing machines → Heading 84 71

Step 3: Find the Subheading

Within your heading, find the most specific classification that matches your goods exactly.

Example (continued):

  • Subheading: Portable automatic data processing machines with a weight not exceeding 10 kg → 84 71 30
  • Final code (Seychelles): 84 71 30 00 (6 digits base, 10 digits for Seychelles customs)

Classification Rules (The 6 Principles)

The WCO (World Customs Organization) has 6 rules for HS classification. Here are the most important:

Rule 1: Use class titles

Classify by the class (section, chapter, heading) where the product primarily fits. Don't just match keywords.

Rule 2: Heading notes matter

Many headings have special notes that exclude certain goods or include exceptions. Always read the heading notes.

Example: Chapter 39 (Plastics) has a note: "This chapter does not cover silicone in the form of silicone fluid." Silicone oil goes elsewhere.

Rule 3: Material composition is key

When goods are made of multiple materials, the material that determines the product's function goes in the heading.

Example: A pair of shoes with a leather upper and rubber sole. Leather is the primary material → Chapter 64 (Footwear), not Chapter 40 (Rubber).

Rule 6: Use sub-headings

When you've narrowed down to a heading, use the same rules on the subheadings to find the exact 6-digit code.

Common Classification Mistakes

Mistake 1: Using the wrong material

"Plastic cups" vs "glass cups" vs "ceramic cups" have different codes and duty rates. Always verify material composition.

Mistake 2: Forgetting the use/function

"Electronic toy" vs "electronic component" have different codes. Context matters.

Mistake 3: Confusing "complete" with "parts"

"Complete engine" (Chapter 84) vs "engine block" (often Chapter 73 or 76, depending on material). A missing part changes the code entirely.

Mistake 4: Ignoring set/kit rules

When goods come as a set or kit, the code is determined by the principal component, not the most expensive item.

Example: A watch with interchangeable bands in a gift set. Code = 91 (watches), not 61 (textiles/clothing).

Mistake 5: Overgeneralizing descriptions

"Machinery" is too vague. "Diesel pump for agricultural use" is much better for classification.

The Real-World Impact

Story: A Seychelles Importer's Mistake

A local importer ordered 100 pairs of leather shoes from Vietnam. He classified them as "81 64 00" (footwear with upper of leather). Duty rate: 25%.

After receiving the goods and submitting to customs, a senior customs officer noticed: the shoes came with decorative fabric bows on the heel. The officer reclassified as "61 69 00" (clothing/textile articles)—duty rate 40%.

Result: ₨3,750 additional duty owed on a ₨25,000 shipment. The importer had to pay it or the goods wouldn't clear.

Lesson: A single misclassified item in a large shipment can cost thousands. Be precise.

How Maxline Helps with HS Classification

Maxline uses Gemini AI to classify your goods automatically. Our system:

  1. Reads your invoice and B/L
  2. Extracts goods description and material composition
  3. Searches Seychelles tariff database
  4. Provides top 3 HS code recommendations with duty rates
  5. Shows confidence score (🟢 high, 🟡 medium, 🔴 low)

You review the recommendations and can override if needed. You always have final responsibility for classification.

Best Practices for HS Classification

  1. Be detailed in goods descriptions: Not "electronics" but "solid-state laptop computer hard drives"
  2. Include material composition: "Aluminum frame" or "plastic housing"
  3. Specify purpose if relevant: "Industrial pump" vs "garden pump"
  4. Use tariff reference books: Keep a copy of the Seychelles tariff schedule for reference
  5. When unsure, ask: Contact Seychelles Customs Authority for binding tariff rulings
  6. Document your reasoning: If audited, explain why you chose your HS code
  7. Use AI tools: Maxline provides recommendations to double-check your classification

Conclusion

HS codes are the foundation of customs clearance. Getting them right saves 25-40% on duties and prevents costly delays and penalties. Take time to classify correctly—it pays off immediately.

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