Title 19 › CHAPTER 4 — TARIFF ACT OF 1930 › SUBTITLE VI — SOFTWOOD LUMBER › § 1683b
Requires importers to follow a declaration program for many kinds of softwood lumber. It covers softwood boards and products in certain tariff categories, including sawn coniferous wood thicker than 6 millimeters, shaped siding and flooring, drilled or notched and angle-cut lumber, and other continuously shaped pieces. It also covers some components like stringers, radius-cut box-spring parts, fence pickets, truss and pallet parts, and door and window frame parts unless other rules in the law apply. Some products are left out or treated as special cases. Excluded items include trusses and truss kits, I-joists, assembled box-spring frames, pallets, garage doors, edge-glued wood, complete door or window frames, furniture, temporary duty-exempt imports, and household or personal effects. Certain items are exempt if they meet specific rules: stringers with at least two equally spaced forklift notches and proper classification; box-spring kits that include exactly the listed rails and slats, are individually packaged, and have no piece over 1 inch thick or 83 inches long; radius-cut parts and fence pickets that meet size and cut requirements (pickets 1 inch or less thick, up to 8 inches wide, up to 6 feet long, with allowed decorative cuts and dog-eared corner specs of at least 3/4 inch); U.S.-origin lumber sent abroad only for minor processing (kiln drying, planing, sanding) if origin is proven to Customs; any softwood that can be shown to have been first produced in the United States; and single-family home kits of at least 700 square feet that include all listed parts and are sold under a signed retail contract. For home kits, importers must keep the matching plans, the signed purchase contract, a parts list, and, if several shipments cover one kit, a list showing what each shipment contains. The President will use the product descriptions here to decide which items are covered.
Full Legal Text
Customs Duties, Source: USLM XML via OLRC
Legislative History
Reference
Citation
19 U.S.C. § 1683b
Title 19, Customs Duties
Last Updated
Sep 22, 2026
Release point: 119-110