| 4403.99.00 | 65 | Of yellow poplar (Liriodendron tulipifera) | m3 | | | |
| 4403.99.00 | 67 | Of other poplar; of aspen or cottonwood | m3 | | | |
| 4403.99.00 | 70 | Of walnut (Juglans spp.) | m3 | | | |
| 4403.99.00 | 75 | Of paulownia (Paulownia spp.) | m3 | | | |
| 4403.99.00 | 22 | Of poplar, aspen or cottonwood | m3 | | | |
| 4403.99.00 | 26 | Poles, piles and posts: | | | | |
| 4404 | | Hoopwood; split poles; piles, pickets and stakes of wood, pointed but not sawn lengthwise; wooden sticks, roughly trimmed but not turned, bent or otherwise worked, suitable for the manufacture of walking-sticks, umbrellas, tool handles or the like; chipwood and the like: | | | | |
| 4404.10.00 | 40 | Fence pickets, palings and rails | X | | | |
| 4404.10.00 | 80 | Poles, piles and posts | X | | | |
| 4404.20.00 | 40 | Fence pickets, palings and rails | X | | | |
| 4404.20.00 | 80 | Poles, piles and posts | X | | | |
| 4406 | | Railway or tramway sleepers (cross-ties) of wood: | | | | |
| 4406.10.00 | 00 | Not impregnated | m3 No. | Free | | Free |
| 4407 | | Wood sawn or chipped lengthwise, sliced or peeled, whether or not planed, sanded or end-jointed, of a thickness exceeding 6 mm: | | | | |
| 4407.10.01 | 02 | Treated with paint, stain, creosote, or other preservative | m3 | | | |
| 4407.10.01 | 15 | Not treated: | | | | |
| 4407.10.01 | 15 | Mixtures of spruce, pine, and fir ("S-P-F") | m3 | | | |
| 4407.10.01 | 16 | Mixtures of western hemlock and amabilis fir ("hem-fir") | m3 | | | |
| 4407.10.01 | 17 | Sitka spruce (Picea sitchensis): | | | | |
| 4407.10.01 | 58 | Fir (Abies spp.): | | | | |
| 4407.10.01 | 64 | Hemlock (Tsuga spp.): | | | | |
| 4407.10.01 | 66 | Larch (Larix spp.): | | | | |
| 4407.10.01 | 68 | Western red cedar: | | | | |
| 4407.10.01 | 74 | Yellow cedar (Chamaecyparis nootkanensis): | | | | |
| 4407.10.01 | 76 | Other cedar (Thuja spp., Juniperus spp., Chamaecyparis spp., Cupressus spp. and Libocedrus spp.): | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
