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SO2 Treated King Oyster Mushrooms from Mexico

King oyster mushrooms (Pleurotus eryngii) gassed with SO2 for provisional preservation during export, unsuitable without processing. Classified as other mushrooms under HTS 0711.59.10.00.

Duty Rate — Mexico → United States

18%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Certify SO2 treatment logs; EPA/FDA limits apply to residues

Declare country of growth; some origins need prior APHIS approval