Exported Power Transformer Returned for Warranty Repair from Mexico
A 500 kVA three-phase power transformer exported from the US for field testing and returned within 3 years after minor voltage regulator adjustment. This falls under HTS 9801.00.10.51 as a US-origin product returned after export without advancement in value or improvement in condition beyond simple repair, specifically provided for in heading 8504 (electrical transformers).
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
• Provide export documentation (e.g
• commercial invoice, bill of lading) proving US origin and export date; ensure no manufacturing processes were performed abroad; file entry under 9801 with statistical reporting number 9801.00.1051-8504.xx.xxxx