Key facts
- Chapter
- 50
- Description
- Silk
- Headings
- 7
- Subheadings
- 9
- Edition
- HS2022
Summary
HS chapter 50 covers silk. It has 7 headings, 50.01 to 50.07, and 9 six-digit subheadings in HS2022. National tariff lines under chapter 50 are live on border.bot for the United States (30 lines, also used by 1 other country).
What this chapter covers
HS chapter 50 covers silk.
It has 7 headings, 50.01 to 50.07, and 9 six-digit subheadings in HS2022.
50.01 Silk-worm cocoons suitable for reeling
- 5001.00Silk-worm cocoons suitable for reeling
50.02 Raw silk (not thrown)
- 5002.00Raw silk (not thrown)
50.03 Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
- 5003.00Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
50.04 Silk yarn (other than yarn spun from silk waste) not put up for retail sale
- 5004.00Silk yarn (other than yarn spun from silk waste) not put up for retail sale
50.05 Yarn spun from silk waste, not put up for retail sale
- 5005.00Yarn spun from silk waste, not put up for retail sale
50.06 Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut
- 5006.00Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut
What it doesn’t cover
Chapter 49, before it, covers printed books, newspapers, pictures and other products of the printing industry; manuscripts, typescripts and plans; chapter 51, after it, covers wool, fine or coarse animal hair; horsehair yarn and woven fabric.
How it is structured
Chapter 50 is the first level of the Harmonized System. Its headings add two digits to the chapter number (50.01), and each heading's subheadings add two more.
In other countries
National tariff lines under chapter 50 are live on border.bot for the United States (30 lines, also used by 1 other country).
- United States30 lines, used by 1 other country
Frequently asked questions
What does HS chapter 50 cover?
HS chapter 50 covers silk.
How many headings and subheadings are in HS chapter 50?
HS chapter 50 has 7 headings and 9 six-digit subheadings in HS2022.
Which countries’ tariffs list national lines in HS chapter 50?
National tariff lines under chapter 50 are live on border.bot for the United States (30 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.