Horses and other equines represent a commercially significant live-animal import category spanning sport, breeding, and working animals, with USDA APHIS serving as the primary regulatory authority for health certification and quarantine. The US equine industry's demand for high-performance sport horses drives substantial cross-border movement, particularly for competition animals that may enter under temporary admission procedures. Duty classification of equines under the HTS depends on whether the animal is purebred breeding stock or falls into another use category, which can affect the applicable duty rate. Trade professionals should confirm current APHIS import requirements early in the transaction, as disease-related restrictions can change on short notice.

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