# HS heading 50.03: Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)

> HS heading 50.03 covers silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock). It is in chapter 50 (silk). It is not split further: its only subheading is 5003.00. National tariff lines under heading 50.03 are live on border.bot for the United States (2 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/5003
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 50](https://border.bot/hs-codes/50) / [50.03](https://border.bot/hs-codes/5003)

## Key facts

- Heading: 50.03
- Description: Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
- Chapter: 50: Silk
- Subheadings: 1
- Edition: HS2022

## What this code covers

HS heading 50.03 covers silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock).

It is not split further: its only subheading is 5003.00.

- [5003.00](https://border.bot/hs-codes/500300) Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)

## What it doesn’t cover

Other goods of chapter 50 are classified in its other 6 headings, listed below.

- [50.01](https://border.bot/hs-codes/5001) Silk-worm cocoons suitable for reeling
- [50.02](https://border.bot/hs-codes/5002) Raw silk (not thrown)
- [50.04](https://border.bot/hs-codes/5004) Silk yarn (other than yarn spun from silk waste) not put up for retail sale
- [50.05](https://border.bot/hs-codes/5005) Yarn spun from silk waste, not put up for retail sale
- [50.06](https://border.bot/hs-codes/5006) Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut
- [50.07](https://border.bot/hs-codes/5007) Woven fabrics of silk or of silk waste

## How it is structured

Heading 50.03 is one of 7 headings in chapter 50. Its first two digits, 50, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (5003.00).

## In other countries

National tariff lines under heading 50.03 are live on border.bot for the United States (2 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/500300): 2 lines, used by 1 other country

- Previous heading: [50.02](https://border.bot/hs-codes/5002) Raw silk (not thrown)
- Next heading: [50.04](https://border.bot/hs-codes/5004) Silk yarn (other than yarn spun from silk waste) not put up for retail sale

## Frequently asked questions

### What does HS heading 50.03 cover?

HS heading 50.03 covers silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock).

### Which chapter is HS heading 50.03 in?

HS heading 50.03 is in chapter 50 (silk).

### How many subheadings does HS heading 50.03 have?

HS heading 50.03 has one subheading, 5003.00.

### Which countries’ tariffs list national lines under HS heading 50.03?

National tariff lines under heading 50.03 are live on border.bot for the United States (2 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.

Machine-readable: https://border.bot/hs-codes/5003.json