Internal Advice Request 28/93 Regarding the Classification of"Masonry Cement" from Mexico
The tariff classification of slag from Canada
Request for Reconsideration of Internal Advice 28-93 (Headquarters Ruling Letter (HRL) 954018, Dated September 23, 1993, Regarding the Classification of "Masonry Cement" from Mexico
The tariff classification of two cement mixtures from Canada.