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8473.40.21.00/Word Processor ROM Firmware Assembly/Mexico

Word Processor ROM Firmware Assembly from Mexico

Printed circuit assembly housing EPROM chips with firmware for 8472.90.50 word processing machines, containing OS and application code. Under HTS 8473.40.21.00 as a dedicated part enabling machine boot and operation. Supports word processing-specific algorithms like spell-check.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Include firmware version and checksums proving proprietary software

• Declare as machine-specific to avoid software classification issues

Word Processor ROM Firmware Assembly from Mexico — Import Duty Rate | HTS 8473.40.21.00