In-shell unroasted peanuts face a distinct set of phytosanitary requirements compared to shelled product, as the intact shell can harbor soil, pests, and fungal contamination that trigger USDA APHIS quarantine scrutiny in addition to FDA aflatoxin review. The in-shell form is favored for certain snack and boiled-peanut markets where presentation and freshness are valued, but the added bulk and moisture-retention of the shell create stricter fumigation and drying standards for ocean shipments. Tariff-rate quota treatment applies at this level, and importers must track quota availability for in-shell peanuts specifically.

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