Tension Leg Platform (TLP) for Gas Production from Japan
A Tension Leg Platform secured by vertical tendons to the seabed, used for dry natural gas production in ultra-deepwater fields. Classified in HTS 8430.49.40.00 as offshore boring and production machinery for hydrocarbons. Offers minimal vertical motion for precise drilling.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document tendon materials and tensioning systems for customs engineering review
• Coordinate with BSEE for well control certification
• Pitfall: Failing to declare production risers separately leads to under-valuation disputes