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Fermentation-Produced Chymosin Concentrate from Japan

High-purity liquid concentrate of chymosin produced via genetically engineered yeast fermentation. Classified as rennet concentrate under HTS 3507.10.00.00 when specifically for milk coagulation. Standard in large-scale cheese manufacturing.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include genetic sequence confirmation and substantial equivalence data for FDA review

Monitor for anti-GMO labeling requirements in target markets post-import

Test for residual fermentation byproducts that could affect purity classification