# United States tariff line 3808.92.50.40: Formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC) > In the United States tariff, line 3808.92.50.40 covers fungicides, formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC). The general (MFN) duty rate is 5%. It falls under HS subheading 3808.92 in heading 38.08 (chapter 38). Source: https://border.bot/countries/united-states/hs-codes/3808925040 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 38](https://border.bot/countries/united-states/hs-codes/38) / [3808.92](https://border.bot/countries/united-states/hs-codes/380892) / [3808.92.50.40](https://border.bot/countries/united-states/hs-codes/3808925040) ## Key facts - Tariff line: 3808.92.50.40 - Covers: Fungicides, formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC) - Duty (MFN): 5% - 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: [3808.92](https://border.bot/hs-codes/380892) ## What this line covers In the United States tariff, line 3808.92.50.40 covers fungicides, formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC). Its legal text is “Formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC)”, read under “Other”, “Fungicides”, “Other”, “Other” and “Other”. Products commonly classified here include Mixtures containing β-conglutin and application adjuvants used as a fungicide and Mixtures of 1-dodecylguanidine acetate (1:1) (Dodine) (CAS No. 2439-10-3) and application adjuvants (border.bot’s search keywords, not legal text). ## How it is structured It falls under HS subheading 3808.92 in heading 38.08 (chapter 38). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 38: Miscellaneous chemical products - Heading 38.08: Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants and similar products, put up in forms or packings for retail sale or as preparations or articles (for example, sulfur-treated bands, wicks and candles, and flypapers) - Subheading 3808.92: Other - Within the subheading: Fungicides - Within the subheading: Other - Within the subheading: Other - Within the subheading: Other - Line 3808.92.50.40: Formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC) ## Duty The general (MFN) duty rate is 5%. The rate is published on 3808.92.50. 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 3808.92 yet. - [The Harmonized System text for 3808.92](https://border.bot/hs-codes/380892) ## Other lines under 3808.92 - [3808.92.05.00](https://border.bot/countries/united-states/hs-codes/3808920500) Mixtures of dinocap and application adjuvants - [3808.92.15.00](https://border.bot/countries/united-states/hs-codes/3808921500) Other - [3808.92.24.00](https://border.bot/countries/united-states/hs-codes/3808922400) Maneb; Zineb; Mancozeb; and Metiram - [3808.92.28.00](https://border.bot/countries/united-states/hs-codes/3808922800) Other - [3808.92.30.00](https://border.bot/countries/united-states/hs-codes/3808923000) Containing an inorganic substance - [3808.92.50.80](https://border.bot/countries/united-states/hs-codes/3808925080) Other - Previous line: [3808.92.30.00](https://border.bot/countries/united-states/hs-codes/3808923000) Containing an inorganic substance - Next line: [3808.92.50.80](https://border.bot/countries/united-states/hs-codes/3808925080) Other ## Frequently asked questions ### What does tariff line 3808.92.50.40 cover in the United States tariff? In the United States tariff, line 3808.92.50.40 covers fungicides, formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC). ### What is the general (MFN) duty on 3808.92.50.40 in the United States? The general (MFN) duty rate is 5%. The rate is published on 3808.92.50. ### Which preferential rates apply to 3808.92.50.40? 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/3808925040.json