# HS heading 50.04: Silk yarn (other than yarn spun from silk waste) not put up for retail sale

> HS heading 50.04 covers silk yarn (other than yarn spun from silk waste) not put up for retail sale. It is in chapter 50 (silk). It is not split further: its only subheading is 5004.00.

Source: https://staging.border.bot/hs-codes/5004
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 50](https://staging.border.bot/hs-codes/50) / [50.04](https://staging.border.bot/hs-codes/5004)

## Key facts

- Heading: 50.04
- Description: Silk yarn (other than yarn spun from silk waste) not put up for retail sale
- Chapter: 50: Silk
- Subheadings: 1
- Edition: HS2022

## What this code covers

HS heading 50.04 covers silk yarn (other than yarn spun from silk waste) not put up for retail sale.

It is not split further: its only subheading is 5004.00.

- [5004.00](https://staging.border.bot/hs-codes/500400) Silk yarn (other than yarn spun from silk waste) not put up for retail sale

## What it doesn’t cover

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

- [50.01](https://staging.border.bot/hs-codes/5001) Silk-worm cocoons suitable for reeling
- [50.02](https://staging.border.bot/hs-codes/5002) Raw silk (not thrown)
- [50.03](https://staging.border.bot/hs-codes/5003) Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
- [50.05](https://staging.border.bot/hs-codes/5005) Yarn spun from silk waste, not put up for retail sale
- [50.06](https://staging.border.bot/hs-codes/5006) Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut
- [50.07](https://staging.border.bot/hs-codes/5007) Woven fabrics of silk or of silk waste

## How it is structured

Heading 50.04 is one of 7 headings in chapter 50. Its first two digits, 50, are the chapter; the next two, 04, number the heading within it. Its subheadings add two more digits (5004.00).

## In other countries

No national tariff lines under heading 50.04 are live on border.bot yet. Tariffs built on the Harmonized System use its subheadings at six digits and add their own digits after them.

- Previous heading: [50.03](https://staging.border.bot/hs-codes/5003) Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
- Next heading: [50.05](https://staging.border.bot/hs-codes/5005) Yarn spun from silk waste, not put up for retail sale

## Frequently asked questions

### What does HS heading 50.04 cover?

HS heading 50.04 covers silk yarn (other than yarn spun from silk waste) not put up for retail sale.

### Which chapter is HS heading 50.04 in?

HS heading 50.04 is in chapter 50 (silk).

### How many subheadings does HS heading 50.04 have?

HS heading 50.04 has one subheading, 5004.00.

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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://staging.border.bot/hs-codes/5004.json