2309.90.70.00 - Preparations, with a basis of vitamin B12, for supplementing animal feed

This HTS classification covers preparations specifically formulated for supplementing animal feed, where vitamin B12 is the primary active component. These products are designed to enhance the nutritional value of animal diets, promoting growth, health, and productivity in livestock, poultry, and aquaculture. The preparations are typically in a concentrated form, intended to be mixed with other feed ingredients before administration to animals.

Distinguishing this category from its sibling, 2309.90.95.00 (Other), hinges on the explicit presence and foundational role of vitamin B12. While the "Other" sibling encompasses a broad range of animal feed preparations not specifically classified elsewhere, this code is reserved for those where vitamin B12 is the defining ingredient driving the formulation's purpose. This means if the preparation's primary function is to deliver vitamin B12 to animals, even if other vitamins or minerals are present, it falls under this specific heading.

As this is a leaf node within the HTS classification, there are no further subcategories. Therefore, the focus for classification professionals is on accurately identifying products where vitamin B12 is the key ingredient for animal feed supplementation. This includes, but is not limited to, premixes, concentrates, and additive formulations where the technical specifications and intended use clearly indicate a vitamin B12 basis for animal nutrition.