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9021.90.40.40/ReSound Smart 3D Ear Mold/Japan

ReSound Smart 3D Ear Mold from Japan

Custom 3D-printed ear mold for ReSound hearing aids, providing acoustic seal and comfort for in-ear models. Classified in 9021.90.4040 as an implantable/carried part compensating for hearing defects per orthopedic appliance definition.

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%
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Import Tips

• Submit CAD files or scan data proving custom hearing aid fit; comply with biocompatibility ISO 10993 testing; declare patient-specific if applicable for duty relief