Classification turns on the degree of processing and the specific grain or oilseed involved. Wheat flour falls under HTS Chapter 11, while soybean meal is classified in Chapter 23 as an oilseed residue. The fat content, protein level, and intended use (food vs. feed) can further determine the correct 10-digit tariff line and applicable duty rate.

Yes — certain products in this subsector, particularly those originating from China, may be subject to Section 301 tariffs depending on their specific HTS classification. Importers should verify the applicable tariff lines and any active antidumping or countervailing duty orders before sourcing, as coverage can shift with administrative reviews.