Telephone Answering Machine Control Microprocessor from Canada
Custom microcontroller programmed for managing call detection, message recording triggers, and playback in answering machines of heading 8521. Includes firmware tailored for answering functions. Classified in 8522.90.58 as a specialized part for these apparatus.
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
• Submit firmware source code excerpts or functional descriptions proving answering machine control purpose
• Use HTS explanatory notes for 8522 to justify 'sole or principal use' with answering machines