Protest and Application for Further Review No. 5301-20-104797; chlorine removal promoted zeolites
Application for Further Review Protest No. 4503-19-100269; Tariff classification of a Selective Catalytic Reduction (“SCR”) catalyst block
Protest and Application for Further Review of Protest No. 5301-20-103261; tariff classification of Unicat SR-110CX Zinc Oxide Adsorbent; application of Section 301 trade remedies
The tariff classification and country of origin of Spray Dried Copper Zeolite Catalysts from various countries; Article 509.
The tariff classification of various Rare Earth Oxide catalyst powders from China
The tariff classification of various rare Earth Oxide catalyst powders from China
The tariff classification of Carbon Sulfonyl Catalyst, Powder; Carbon Sulfonyl Catalyst, Pellets; and Potassium Methylate, 32% in Methanol, from Mexico.
The tariff classification of Cerium Zirconium Solid Solution, Rhodium Nitrate, Palladium Nitrate ND, and Rare Earth Oxide from Japan.
The tariff classification of DN-200 Catalyst from Canada.
The tariff classification of Cerium Stabilized Zirconia from Japan and China.