# United States tariff line 2309.90.70.00: Preparations, with a basis of vitamin B12, for supplementing animal feed > In the United States tariff, line 2309.90.70.00 covers preparations, with a basis of vitamin B12, for supplementing animal feed. The general (MFN) duty rate is 1.4%. It falls under HS subheading 2309.90 in heading 23.09 (chapter 23). Source: https://border.bot/countries/united-states/hs-codes/2309907000 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 23](https://border.bot/countries/united-states/hs-codes/23) / [2309.90](https://border.bot/countries/united-states/hs-codes/230990) / [2309.90.70.00](https://border.bot/countries/united-states/hs-codes/2309907000) ## Key facts - Tariff line: 2309.90.70.00 - Covers: Preparations, with a basis of vitamin B12, for supplementing animal feed - Duty (MFN): 1.4% - 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: [2309.90](https://border.bot/hs-codes/230990) ## What this line covers In the United States tariff, line 2309.90.70.00 covers preparations, with a basis of vitamin B12, for supplementing animal feed. Its legal text is “Preparations, with a basis of vitamin B12, for supplementing animal feed”, read under “Other”, “Other”, “Other” and “Other”. ## How it is structured It falls under HS subheading 2309.90 in heading 23.09 (chapter 23). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 23: Residues and waste from the food industries; prepared animal fodder - Heading 23.09: Preparations of a kind used in animal feeding - Subheading 2309.90: Other - Within the subheading: Other - Within the subheading: Other - Within the subheading: Other - Line 2309.90.70.00: Preparations, with a basis of vitamin B12, for supplementing animal feed ## Duty The general (MFN) duty rate is 1.4%. 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 2309.90 yet. - [The Harmonized System text for 2309.90](https://border.bot/hs-codes/230990) ## Other lines under 2309.90 - [2309.90.10.05](https://border.bot/countries/united-states/hs-codes/2309901005) Bird seed - [2309.90.10.15](https://border.bot/countries/united-states/hs-codes/2309901015) Other pet food, put up for retail sale - [2309.90.10.20](https://border.bot/countries/united-states/hs-codes/2309901020) Poultry feeds, prepared - [2309.90.10.30](https://border.bot/countries/united-states/hs-codes/2309901030) Dairy cattle feed, prepared - [2309.90.10.32](https://border.bot/countries/united-states/hs-codes/2309901032) Other cattle feed, prepared - [2309.90.10.35](https://border.bot/countries/united-states/hs-codes/2309901035) Swine feed, prepared - [2309.90.10.45](https://border.bot/countries/united-states/hs-codes/2309901045) Other livestock feed, prepared - [2309.90.10.50](https://border.bot/countries/united-states/hs-codes/2309901050) Other - [2309.90.22.10](https://border.bot/countries/united-states/hs-codes/2309902210) Milk replacer - [2309.90.22.90](https://border.bot/countries/united-states/hs-codes/2309902290) Other - [2309.90.24.10](https://border.bot/countries/united-states/hs-codes/2309902410) Milk replacer - [2309.90.24.90](https://border.bot/countries/united-states/hs-codes/2309902490) Other - [2309.90.28.10](https://border.bot/countries/united-states/hs-codes/2309902810) Milk replacer - [2309.90.28.90](https://border.bot/countries/united-states/hs-codes/2309902890) Other - [2309.90.42.10](https://border.bot/countries/united-states/hs-codes/2309904210) Milk replacer - [2309.90.42.90](https://border.bot/countries/united-states/hs-codes/2309904290) Other - [2309.90.44.10](https://border.bot/countries/united-states/hs-codes/2309904410) Milk replacer - [2309.90.44.90](https://border.bot/countries/united-states/hs-codes/2309904490) Other - [2309.90.48.10](https://border.bot/countries/united-states/hs-codes/2309904810) Milk replacer - [2309.90.48.90](https://border.bot/countries/united-states/hs-codes/2309904890) Other - [2309.90.60.00](https://border.bot/countries/united-states/hs-codes/2309906000) Animal feeds containing egg - [2309.90.95.00](https://border.bot/countries/united-states/hs-codes/2309909500) Other - Previous line: [2309.90.60.00](https://border.bot/countries/united-states/hs-codes/2309906000) Animal feeds containing egg - Next line: [2309.90.95.00](https://border.bot/countries/united-states/hs-codes/2309909500) Other ## Frequently asked questions ### What does tariff line 2309.90.70.00 cover in the United States tariff? In the United States tariff, line 2309.90.70.00 covers preparations, with a basis of vitamin B12, for supplementing animal feed. ### What is the general (MFN) duty on 2309.90.70.00 in the United States? The general (MFN) duty rate is 1.4%. ### Which preferential rates apply to 2309.90.70.00? 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/2309907000.json