Covering solid extraction residues not elsewhere specified — such as those from sunflower, safflower, sesame, or linseed pressing — this residual-feed category captures a diverse range of oilseed byproducts that fall outside the major dedicated headings for soy, cottonseed, or palm. Protein and fiber content vary considerably by source oilseed, making accurate specification of the originating seed critical for feed-formulation compliance and customs classification. Importers should confirm that the material meets FDA's definition of an approved feed ingredient and any applicable state registration rules before commercial distribution.

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