DNA Double Helix Demonstration Model from Mexico
Large-scale rotating DNA model showing base pairing and helical structure for biology classrooms in public high schools. Used exclusively for educational molecular biology instruction. Qualifies as educational model under HTS 9810.00.55.00.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit school board approval for science curriculum integration
• Clearly mark entry documents 'Educational use only - nonprofit institution'
• Keep 5-year usage records per Chapter 98 requirements