The tariff classification of Lanthanum Oxide (CAS no. 1312-81-8) from China
The tariff classification of Lutetium Oxide (CAS no. 12032-20-1) from China
The tariff classification of various rare Earth Oxide catalyst powders from China
The tariff classification of rare earth oxide from Estonia
The tariff classification of Cerium Oxide based glass polishing powder comprised of rare earth oxides and kaolin from China
Protest 1703-01-100007; lanthanum carbonate doped with praesodymiumDear Port Director:
Protest 2904-99-100020; Yttria C
Protest 1001-99-103254; Inorganic Mixtures P22-RE1 and KX-125A
Mixtures of compounds of yttrium; NY 856525, NY 855057 and NY 854686 revoked
Mixtures of compounds of yttrium; NY 851514 revoked