Promethium-147 Battery from Japan
Promethium-147 used in betavoltaic nuclear batteries for long-life power. An 'other' radioactive element per HTS 2844.43.0050.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify as device only if radiation < threshold; else as radioactive material
• Comply with ITAR if for space/military applications
• Test for specific activity exceeding 74 Bq/g limit