Answering Machine Flash Upgrade Interface Board from Canada
Printed circuit assembly for firmware upgrades via telephone line in digital answering systems. Includes bootstrap loader and serial interface for 8521 devices. Specific to HTS 8522.90.45.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document upgrade protocols and security features
• Include service manual excerpts
• Classify as repair parts if value exceeds replacement threshold