Preserved or cooked in-shell bird eggs — including century eggs, salted eggs, and similar Asian-market preparations — are classified under a single line (0407900000) and enter the US as processed food products subject to FDA oversight, including prior notice and labeling requirements. China and Taiwan are the leading suppliers, reflecting the strong culinary tradition of preserved egg products in East Asian cuisine and the established export infrastructure in those markets. Unlike fresh eggs, preserved preparations may also trigger FDA scrutiny for additives such as lead compounds historically used in century-egg processing, making ingredient disclosure on import documentation particularly important. Importers should ensure that processing methods and ingredient lists comply with FDA food additive regulations before shipment.

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