# United States tariff line 8539.31.00.40: 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W > In the United States tariff, line 8539.31.00.40 covers discharge lamps, other than ultraviolet lamps, fluorescent, hot cathode, 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W. The general (MFN) duty rate is 2.4%. It falls under HS subheading 8539.31 in heading 85.39 (chapter 85). Source: https://border.bot/countries/united-states/hs-codes/8539310040 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8539.31](https://border.bot/countries/united-states/hs-codes/853931) / [8539.31.00.40](https://border.bot/countries/united-states/hs-codes/8539310040) ## Key facts - Tariff line: 8539.31.00.40 - Covers: Discharge lamps, other than ultraviolet lamps, fluorescent, hot cathode, 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W - Duty (MFN): 2.4% - Preferential rates: From free (17 programmes or origins) - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8539.31](https://border.bot/hs-codes/853931) ## What this line covers In the United States tariff, line 8539.31.00.40 covers discharge lamps, other than ultraviolet lamps, fluorescent, hot cathode, 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W. Its legal text is “1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W”, read under “Discharge lamps, other than ultraviolet lamps” and “Fluorescent, hot cathode”. ## How it is structured It falls under HS subheading 8539.31 in heading 85.39 (chapter 85). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles - Heading 85.39: Electrical filament or discharge lamps, including sealed beam lamp units and ultraviolet or infrared lamps; arc lamps; light-emitting diode (LED) light sources; parts thereof - Subheading 8539.31: Discharge lamps, other than ultraviolet lamps - Within the subheading: Fluorescent, hot cathode - Line 8539.31.00.40: 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W ## Duty The general (MFN) duty rate is 2.4%. The rate is published on 8539.31.00. Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A). - Free: a group of origins (origin group A) (A) - Free: United States-Australia Free Trade Agreement (AU) - Free: United States-Bahrain Free Trade Agreement Implementation Act (BH) - Free: United States-Chile Free Trade Agreement (CL) - Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO) - Free: African Growth and Opportunity Act (D) - Free: Caribbean Basin Economic Recovery Act (E) - Free: United States-Israel Free Trade Area (IL) - Free: United States-Jordan Free Trade Area Implementation Act (JO) - Free: United States-Korea Free Trade Agreement Implementation Act (KR) - Free: United States-Morocco Free Trade Agreement Implementation Act (MA) - Free: United States-Oman Free Trade Agreement Implementation Act (OM) - Free: Dominican Republic-Central America-United States Free Trade Agreement (P) - Free: United States-Panama Trade Promotion Agreement Implementation Act (PA) - Free: United States-Peru Trade Promotion Agreement Implementation Act (PE) - Free: United States-Mexico-Canada Agreement (S) - Free: United States-Singapore Free Trade Agreement (SG) ## In other countries No other national tariff on border.bot has live lines under 8539.31 yet. - [The Harmonized System text for 8539.31](https://border.bot/hs-codes/853931) ## Other lines under 8539.31 - [8539.31.00.50](https://border.bot/countries/united-states/hs-codes/8539310050) With a single plug-in base - [8539.31.00.60](https://border.bot/countries/united-states/hs-codes/8539310060) With a single screw-in base - [8539.31.00.70](https://border.bot/countries/united-states/hs-codes/8539310070) Other - Previous line: [8539.29.40.00](https://border.bot/countries/united-states/hs-codes/8539294000) Designed for a voltage exceeding 100 V - Next line: [8539.31.00.50](https://border.bot/countries/united-states/hs-codes/8539310050) With a single plug-in base ## Frequently asked questions ### What does tariff line 8539.31.00.40 cover in the United States tariff? In the United States tariff, line 8539.31.00.40 covers discharge lamps, other than ultraviolet lamps, fluorescent, hot cathode, 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W. ### What is the general (MFN) duty on 8539.31.00.40 in the United States? The general (MFN) duty rate is 2.4%. The rate is published on 8539.31.00. ### Which preferential rates apply to 8539.31.00.40? Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A). ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 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. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8539310040.json