# HS heading 54.03: Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex > HS heading 54.03 covers artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex. It is in chapter 54 (man-made filaments; strip and the like of man-made textile materials). It is split into 8 subheadings: 5403.10 (high tenacity yarn of viscose rayon), 5403.31 (other yarn, single, of viscose rayon, untwisted or with a twist not exceeding 120 turns per metre), 5403.32 (other yarn, single, of viscose rayon, with a twist exceeding 120 turns per metre), 5403.33 (other yarn, single, of cellulose acetate), 5403.39 (other yarn, single, other), 5403.41 (other yarn, multiple (folded) or cabled, of viscose rayon) and 2 others. National tariff lines under heading 54.03 are live on border.bot for the United States (15 lines, also used by 1 other country). Source: https://border.bot/hs-codes/5403 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 54](https://border.bot/hs-codes/54) / [54.03](https://border.bot/hs-codes/5403) ## Key facts - Heading: 54.03 - Description: Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex - Chapter: 54: Man-made filaments; strip and the like of man-made textile materials - Subheadings: 8 - Edition: HS2022 ## What this code covers HS heading 54.03 covers artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex. It is split into 8 subheadings: 5403.10 (high tenacity yarn of viscose rayon), 5403.31 (other yarn, single, of viscose rayon, untwisted or with a twist not exceeding 120 turns per metre), 5403.32 (other yarn, single, of viscose rayon, with a twist exceeding 120 turns per metre), 5403.33 (other yarn, single, of cellulose acetate), 5403.39 (other yarn, single, other), 5403.41 (other yarn, multiple (folded) or cabled, of viscose rayon) and 2 others. - [5403.10](https://border.bot/hs-codes/540310) High tenacity yarn of viscose rayon - [5403.31](https://border.bot/hs-codes/540331) Other yarn, single: Of viscose rayon, untwisted or with a twist not exceeding 120 turns per metre - [5403.32](https://border.bot/hs-codes/540332) Other yarn, single: Of viscose rayon, with a twist exceeding 120 turns per metre - [5403.33](https://border.bot/hs-codes/540333) Other yarn, single: Of cellulose acetate - [5403.39](https://border.bot/hs-codes/540339) Other yarn, single: Other - [5403.41](https://border.bot/hs-codes/540341) Other yarn, multiple (folded) or cabled: Of viscose rayon - [5403.42](https://border.bot/hs-codes/540342) Other yarn, multiple (folded) or cabled: Of cellulose acetate - [5403.49](https://border.bot/hs-codes/540349) Other yarn, multiple (folded) or cabled: Other ## What it doesn’t cover Other goods of chapter 54 are classified in its other 7 headings, listed below. - [54.01](https://border.bot/hs-codes/5401) Sewing thread of man-made filaments, whether or not put up for retail sale - [54.02](https://border.bot/hs-codes/5402) Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex - [54.04](https://border.bot/hs-codes/5404) Synthetic monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1mm; strip and the like (for example, artificial straw) of synthetic textile materials of an apparent width not exceeding 5mm - [54.05](https://border.bot/hs-codes/5405) Artificial monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1mm; strip and the like (for example, artificial straw) of artificial textile materials of an apparent width not exceeding 5mm - [54.06](https://border.bot/hs-codes/5406) Man-made filament yarn (other than sewing thread), put up for retail sale - [54.07](https://border.bot/hs-codes/5407) Woven fabrics of synthetic filament yarn, including woven fabrics obtained from materials of heading 54.04 - [54.08](https://border.bot/hs-codes/5408) Woven fabrics of artificial filament yarn, including woven fabrics obtained from materials of heading 54.05 ## How it is structured Heading 54.03 is one of 8 headings in chapter 54. Its first two digits, 54, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (5403.10, 5403.31, 5403.32). ## In other countries National tariff lines under heading 54.03 are live on border.bot for the United States (15 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/54): 15 lines, used by 1 other country - Previous heading: [54.02](https://border.bot/hs-codes/5402) Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex - Next heading: [54.04](https://border.bot/hs-codes/5404) Synthetic monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1mm; strip and the like (for example, artificial straw) of synthetic textile materials of an apparent width not exceeding 5mm ## Frequently asked questions ### What does HS heading 54.03 cover? HS heading 54.03 covers artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex. ### Which chapter is HS heading 54.03 in? HS heading 54.03 is in chapter 54 (man-made filaments; strip and the like of man-made textile materials). ### How many subheadings does HS heading 54.03 have? HS heading 54.03 has 8 subheadings: 5403.10 (high tenacity yarn of viscose rayon), 5403.31 (other yarn, single, of viscose rayon, untwisted or with a twist not exceeding 120 turns per metre), 5403.32 (other yarn, single, of viscose rayon, with a twist exceeding 120 turns per metre), 5403.33 (other yarn, single, of cellulose acetate), 5403.39 (other yarn, single, other), 5403.41 (other yarn, multiple (folded) or cabled, of viscose rayon) and 2 others. ### Which countries’ tariffs list national lines under HS heading 54.03? National tariff lines under heading 54.03 are live on border.bot for the United States (15 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/5403.json