Both are residual NESOI subheadings under 021099, but they may carry different duty rates or statistical reporting purposes. A CBP binding ruling or reference to the current HTS schedule is recommended to determine the correct subheading for a specific product.

Preserved meat and offal from species not specifically enumerated elsewhere in Chapter 02—such as certain game meats, exotic animals, or mixed-species products—would typically fall here.

Requirements depend on the specific animal species. CITES permits, USDA APHIS veterinary import permits, and FDA prior notice may all apply depending on the origin and species of the product.