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US Circuit Board Assemblies in Mexico from Japan

Printed circuit boards fabricated in US with components populated in Mexico via wave soldering assembly. US boards maintain identity through assembly process with cleaning and conformal coating as incidental. Duty-free under 9802.00.80.46 note 7(b)(ii).

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

Gerber files and US fab house certificates prove board origination

Assembly yield rates monitored to prevent value advancement claims

SMT component placement distinguished from prohibited US board modification