# United States tariff line 4412.51.10.30: Not surface covered > In the United States tariff, line 4412.51.10.30 covers blockboard, laminboard and battenboard, with at least one outer ply of tropical wood, plywood, not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply, with a face ply of birch (Betula spp.), not surface covered. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4412.51 in heading 44.12 (chapter 44). Source: https://border.bot/countries/united-states/hs-codes/4412511030 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 44](https://border.bot/countries/united-states/hs-codes/44) / [4412.51](https://border.bot/countries/united-states/hs-codes/441251) / [4412.51.10.30](https://border.bot/countries/united-states/hs-codes/4412511030) ## Key facts - Tariff line: 4412.51.10.30 - Covers: Blockboard, laminboard and battenboard, with at least one outer ply of tropical wood, plywood, not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply, with a face ply of birch (Betula spp.), not surface covered - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [4412.51](https://border.bot/hs-codes/441251) ## What this line covers In the United States tariff, line 4412.51.10.30 covers blockboard, laminboard and battenboard, with at least one outer ply of tropical wood, plywood, not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply, with a face ply of birch (Betula spp.), not surface covered. Its legal text is “Not surface covered”, read under “Blockboard, laminboard and battenboard”, “With at least one outer ply of tropical wood”, “Plywood”, “Not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply” and “With a face ply of birch (Betula spp.)”. ## How it is structured It falls under HS subheading 4412.51 in heading 44.12 (chapter 44). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 44: Wood and articles of wood; wood charcoal - Heading 44.12: Plywood, veneered panels and similar laminated wood - Subheading 4412.51: Blockboard, laminboard and battenboard - Within the subheading: With at least one outer ply of tropical wood - Within the subheading: Plywood - Within the subheading: Not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply - Within the subheading: With a face ply of birch (Betula spp.) - Line 4412.51.10.30: Not surface covered ## Duty Goods under this line enter free of general (MFN) duty. The rate is published on 4412.51.10. ## In other countries No other national tariff on border.bot has live lines under 4412.51 yet. - [The Harmonized System text for 4412.51](https://border.bot/hs-codes/441251) ## Other lines under 4412.51 - [4412.51.10.50](https://border.bot/countries/united-states/hs-codes/4412511050) Other - [4412.51.31.05](https://border.bot/countries/united-states/hs-codes/4412513105) Wood flooring - [4412.51.31.11](https://border.bot/countries/united-states/hs-codes/4412513111) With a face ply of Spanish cedar (Cedrela spp.) - [4412.51.31.21](https://border.bot/countries/united-states/hs-codes/4412513121) With a face ply of walnut (Juglans spp.) - [4412.51.31.41](https://border.bot/countries/united-states/hs-codes/4412513141) With a face ply of mahogany (Swietenia spp. or Khaya spp.) - [4412.51.31.61](https://border.bot/countries/united-states/hs-codes/4412513161) Not surface covered - [4412.51.31.75](https://border.bot/countries/united-states/hs-codes/4412513175) Other - [4412.51.41.00](https://border.bot/countries/united-states/hs-codes/4412514100) Other - [4412.51.51.00](https://border.bot/countries/united-states/hs-codes/4412515100) Other - Previous line: [4412.49.00.00](https://border.bot/countries/united-states/hs-codes/4412490000) Other, with both outer plies of coniferous wood - Next line: [4412.51.10.50](https://border.bot/countries/united-states/hs-codes/4412511050) Other ## Frequently asked questions ### What does tariff line 4412.51.10.30 cover in the United States tariff? In the United States tariff, line 4412.51.10.30 covers blockboard, laminboard and battenboard, with at least one outer ply of tropical wood, plywood, not surface covered, or surface covered with a clear or transparent material which does not obscure the grain, texture or markings of the face ply, with a face ply of birch (Betula spp.), not surface covered. ### What is the general (MFN) duty on 4412.51.10.30 in the United States? Goods under this line enter free of general (MFN) duty. The rate is published on 4412.51.10. ## 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/4412511030.json