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Zirconium-Clad Spent Fuel Assemblies from Mexico

Complete spent fuel assemblies with zirconium alloy cladding containing irradiated uranium fuel pins, used in pressurized water reactors (PWRs). Falls under HTS 2844.50.00.00 as irradiated cartridges directly from reactors. Highly radioactive, intended for storage or reprocessing.

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

Secure bilateral agreements under NPT for fissile material transfers; file with IAEA

Ensure cask certifications match fuel geometry to avoid transport violations

Document burn-up levels accurately to classify correctly and prevent mislabeling fines