Thermo Fisher Orion pH Meter from Mexico
Portable pH measurement instrument exported from US for field testing abroad and returned unchanged. Classified as Chapter 90 measuring instrument qualifying for 9801.00.10.90 duty-free reimportation.
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
• Include calibration certificates showing identical pre-export and post-return specifications
• Document chain of custody during foreign use to prove no unauthorized modifications occurred
• File entry under 9801.00.10.90 specifically noting Chapter 90 classification basis