CD-R with Environmental Monitoring Data from Mexico
Write-once CD-R containing recorded air quality sensor data over time periods, classified in 8523.49.20 as other optical media for non-sound/image phenomena. Stores pollutant concentration readings and timestamps. Distinguished from sound/image reproduction media.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Retain sensor calibration certificates linking data source to phenomena for audit proof
• Use ISF filings early for data-intensive shipments to preempt CBP questions