VOL. I · WASHINGTON TARIFF DECISION ASSISTANT · April 25, 2026
§ HTS 5503.20.00 · US import duty

Of polyesters

HTS 5503.20.00 covers Of polyesters, classified under HS chapter 55. The MFN (general column) base duty is 4.3%. 2 active Chapter 99 overlays apply: 9903.55.01 (other +0%); 9903.88.03 (section301 +25%). Imports from China typically incur the Section 301 / IEEPA additional duties listed above; imports from Vietnam, Mexico, India and other origins generally pay only the MFN base unless an origin-specific overlay applies. Antidumping (AD) and countervailing duty (CVD) cases are NOT evaluated on this page — check ADCVD orders separately. Source: USITC HTS release 2026HTSRev6. CBP determines the binding classification and duty at entry.

Synthetic staple fibers, not carded, combed or otherwise processed for spinning: · Of polyesters
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HTS CODE
5503.20.00
General (MFN)4.3%
SpecialFree (AU,BH, C…
Other (Column 2)25%
§99 overlays2

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)4.3%
SpecialFree (AU,BH, CL,CO,IL,JO,KR, MA,OM,P, PA,PE,S,SG)
Other (Column 2)25%

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.

Chapter 99 overlaysChapter 99 overlays

  • 9903.55.01 other +0% active
    Entered under temporary importation bond in aggregate quantities not exceeding the amount specified in U.S. note 32(a) to this subchapter for any period specified in such note, when the product of any country not exempt under U.S. note 32(b) to this subchapter
  • 9903.88.03 section301 +25% active
    Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin Base rate Chapter 99 Total rate Duty (USD)
China (CN) 4.3% 25% 29.3% $2,930.00
Vietnam (VN) 4.3% 0% 4.3% $430.00
Mexico (MX) 4.3% 0% 4.3% $430.00
India (IN) 4.3% 0% 4.3% $430.00
South Korea (KR) 4.3% 0% 4.3% $430.00

§ RELATED ENTRIESStatistical suffixes under HTS 5503.20.00

All 10-digit statistical reporting suffixes under 5503.20.00.

§ FAQFrequently asked questions

What is the US import duty for HTS 5503.20.00?
HTS 5503.20.00 (Of polyesters) has a general (MFN) column rate of 4.3%, plus 2 active Chapter 99 overlay(s) that may apply depending on origin (for example, Section 301 or IEEPA actions). Final duty is determined by CBP at entry.
Which Chapter 99 rules are currently linked to HTS 5503.20.00?
The following rules are attached in our snapshot: 9903.55.01 (other), 9903.88.03 (section301) — other / section301. Each rule has its own country scope and effective dates — check the rule detail on this page for the additional rate and status before applying it to your shipment.
Do USMCA / free-trade rules of origin apply to HTS 5503.20.00?
Textiles and apparel (Chapters 50–63) have yarn-forward and fabric-forward rules of origin under USMCA and most other FTAs. Meeting the tariff-shift alone is typically not enough — confirm the fiber / yarn / fabric origin chain before claiming the preferential rate.
How do I compare duty from different countries for HTS 5503.20.00?
Use the origin compare view to evaluate this HS code against alternative countries. The calculator applies each country-specific Chapter 99 overlay and the appropriate column rate.
Is this the binding duty determination?
No. This page is a reference built on USITC + Federal Register open data. The binding classification and duty amount is determined by CBP at entry. AD/CVD and product-specific exclusions require separate review.