The general (MFN) duty rate is typically free; importers should verify current rates and any preferential rates under US free trade agreements through the USITC Harmonized Tariff Schedule.

Major suppliers include Australia, Canada, New Zealand, and various South American countries, subject to USDA FSIS country eligibility and establishment approval requirements.

Yes, frozen bovine liver imported under this code can be used for pet food, but the intended end use may affect inspection requirements and labeling obligations under USDA and FDA regulations.