400 MHz NMR Spectrometer from Mexico
Nuclear Magnetic Resonance spectrometer for biomolecular structure analysis, classified under chapter 90. No U.S.-manufactured equivalent offers same field strength-to-cost ratio for academic research. Duty-free entry requires Commerce Department finding per subchapter note.
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
• Submit application 90+ days before import with scientific justification and domestic availability search
• Federal Register publication of Commerce findings required before duty-free entry allowed
• Bond required if used commercially within 5 years; notify Customs immediately if transferred