Word Processor ROM Firmware Assembly from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include firmware version and checksums proving proprietary software
• Declare as machine-specific to avoid software classification issues