Heading 5503
HTS code 5503 — Synthetic staple fibers, not carded, combed or otherwise processed for spinning
- Chapter
- 55 — Man-made staple fibers
- Tariff lines
- 11
- General duty
- General duty rate of 4.3%, with 2 duty-free lines
Tariff lines under heading 5503
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 5503.11.0000 | Of aramids (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of nylon or other polyamides) | 4.3% | kg |
| 5503.19.1000 | Containing 10 percent or more by weight of nylon 12 (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of nylon or other polyamides > Other) | Free | kg |
| 5503.19.9000 | Other (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of nylon or other polyamides > Other) | 4.3% | kg |
| 5503.20.0015 | Bi-component fibers having an outer copolymer sheath that melts at a lower temperature than the core, of a kind used for bonding fibers together (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of polyesters) | 4.3% | kg |
| 5503.20.0025 | Measuring less than 3.3 decitex (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of polyesters > Other) | 4.3% | kg |
| 5503.20.0045 | Measuring 3.3 decitex or more but less than 13.2 decitex (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of polyesters > Other) | 4.3% | kg |
| 5503.20.0065 | Measuring 13.2 decitex or more (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Of polyesters > Other) | 4.3% | kg |
| 5503.30.0000 | Acrylic or modacrylic (Synthetic staple fibers, not carded, combed or otherwise processed for spinning) | 4.3% | kg |
| 5503.40.0000 | Of polypropylene (Synthetic staple fibers, not carded, combed or otherwise processed for spinning) | 4.3% | kg |
| 5503.90.1000 | Of vinyon (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Other) | Free | kg |
| 5503.90.9000 | Other (Synthetic staple fibers, not carded, combed or otherwise processed for spinning > Other) | 4.3% | kg |
Documents required to import under 5503
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
- Textile DeclarationRequired
CBP Form 3311 — declares fiber content, country of origin, manufacturer
- Visa / Export LicenseConditional
Required for shipments from quota-restricted countries
Common questions
- What is HTS code 5503?
- HTS heading 5503 covers synthetic staple fibers, not carded, combed or otherwise processed for spinning. It sits in Chapter 55 (man-made staple fibers) of the US Harmonized Tariff Schedule and contains 11 tariff lines.
- What is the duty rate for HTS 5503?
- General duty rate of 4.3%, with 2 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 5503 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 55
- 5501Synthetic filament tow
- 5502Artificial filament tow
- 5504Artificial staple fibers, not carded, combed or otherwise processed for spinning
- 5505Waste (including noils, yarn waste and garnetted stock) of man-made fibers
- 5506Synthetic staple fibers, carded, combed or otherwise processed for spinning
- 5507Artificial staple fibers, carded, combed or otherwise processed for spinning
- 5508Sewing thread of man-made staple fibers, whether or not put up for retail sale
- 5509Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale