High-Resolution Cryo-Electron Microscope from Japan
Advanced cryo-electron microscope for 3D protein structure determination at near-atomic resolution, listed under chapter 90 instruments. No equivalent domestic instrument exists for sub-3Å resolution structural biology research. Requires Secretary of Commerce certification per U.S. note 6 for duty-free entry to nonprofit research institutions.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Obtain Secretary of Commerce certification proving no equivalent U.S.-made instrument exists before entry
• Provide detailed application describing scientific purpose and institutional use to Treasury Department
• Maintain records proving exclusive nonprofit institutional use for 5 years to avoid duty liability