Serving as the catch-all for fresh and chilled vegetables not covered by more specific headings, this subheading encompasses a commercially diverse set of products: jicamas and breadfruit (0709990500), chayote (0709991000), okra (0709991400), fiddlehead greens (0709993000), sweet corn (0709994500), bitter melon (0709999005), cilantro (0709999010), and cactus leaves (0709999030). Mexico and Costa Rica lead supply, with Honduras, Canada, and Guatemala also significant, reflecting the tropical and subtropical origins of many of these specialty vegetables. FDA's FSMA Produce Safety Rule applies across the heading, and importers of novel or specialty items should be prepared for FDA examination and potential sampling. Correct classification into the specific 10-digit line — rather than the residual NESOI lines — is important because each named commodity has its own tariff treatment.

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